Gentoo update for Chromium, Google Chrome

1) Use-after-free

EUVDB-ID: #VU49300

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2020-16044

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing COOKIE-ECHO chunk in a SCTP packet. A remote attacker can pass specially crafted data to the browser, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49696

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21117

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Cryptohome in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU49697

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21118

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation in V8 in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Use-after-free

EUVDB-ID: #VU49698

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21119

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Media component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Use-after-free

EUVDB-ID: #VU49699

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21120

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WebSQL component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Use-after-free

EUVDB-ID: #VU49700

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21121

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Omnibox component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Use-after-free

EUVDB-ID: #VU49701

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21122

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Blink component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Input validation error

EUVDB-ID: #VU49702

Risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-21123

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Use-after-free

EUVDB-ID: #VU49730

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21124

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Speech Recognizer component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49703

Risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21125

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49704

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21126

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in extensions in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49705

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21127

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in extensions in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Heap-based buffer overflow

EUVDB-ID: #VU49706

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21128

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: No

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Blink. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49707

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-21129

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49708

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-21130

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49709

Risk: Medium

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-21131

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Improperly implemented security check for standard

EUVDB-ID: #VU49710

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21132

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49711

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21133

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in Downloads in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Spoofing attack

EUVDB-ID: #VU49712

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-21134

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in Page Info in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Improperly implemented security check for standard

EUVDB-ID: #VU49713

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21135

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Performance API in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49714

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21136

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in WebView in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Improperly implemented security check for standard

EUVDB-ID: #VU49715

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21137

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Use-after-free

EUVDB-ID: #VU49716

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21138

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to use-after-free error in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Improperly implemented security check for standard

EUVDB-ID: #VU49717

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21139

CWE-ID: CWE-358 - Improperly Implemented Security Check for Standard

Exploit availability: No

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in iframe sandbox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Use of uninitialized resource

EUVDB-ID: #VU49718

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-21140

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to usage of uninitialized resources in USB in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU49719

Risk: Low

CVSSv4.0: 2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2021-21141

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: Yes

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in File System API in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Update the affected packages.
www-client/chromium to version: 88.0.4324.96
www-client/google-chrome to version: 88.0.4324.96

Gentoo Linux: All versions

• cpe:2.3:o:gentoo:gentoo_linux:*:*:*:*:*:*:*:*

https://security.gentoo.org/
https://security.gentoo.org/glsa/202101-13

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.