Red Hat Enterprise Linux 6 Supplementary update for chromium-browser

Published: 2020-10-28 | Updated: 2021-07-01

Risk	Critical
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2020-15999 CVE-2020-16000 CVE-2020-16001 CVE-2020-16002 CVE-2020-16003
CWE-ID	CWE-122 CWE-358 CWE-416
Exploitation vector	Network
Public exploit	Vulnerability #1 is being exploited in the wild.
Vulnerable software	chromium-browser (Red Hat package) Operating systems & Components / Operating system package or component Red Hat Enterprise Linux for Scientific Computing Operating systems & Components / Operating system Red Hat Enterprise Linux Desktop Operating systems & Components / Operating system Red Hat Enterprise Linux Workstation Operating systems & Components / Operating system Red Hat Enterprise Linux Server Operating systems & Components / Operating system
Vendor	Red Hat Inc.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Heap-based buffer overflow

EUVDB-ID: #VU47741

Risk: Critical

CVSSv4.0: 8.6 [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:A/U:Red]

CVE-ID: CVE-2020-15999

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

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in freetype library when processing TTF files. A remote attacker can pass specially crafted TTF file with PNG sbit glyphs to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, this vulnerability is being actively exploited in the wild.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

chromium-browser (Red Hat package): 80.0.3987.149-1.el6_10 - 86.0.4240.75-1.el6_10

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:4351

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?

Yes. This vulnerability is being exploited in the wild.

2) Improperly implemented security check for standard

EUVDB-ID: #VU47754

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-2020-16000

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

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation in Blink in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

chromium-browser (Red Hat package): 80.0.3987.149-1.el6_10 - 86.0.4240.75-1.el6_10

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:4351

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) Use-after-free

EUVDB-ID: #VU47753

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-2020-16001

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

chromium-browser (Red Hat package): 80.0.3987.149-1.el6_10 - 86.0.4240.75-1.el6_10

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:4351

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: #VU47755

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-2020-16002

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the PDFium 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

chromium-browser (Red Hat package): 80.0.3987.149-1.el6_10 - 86.0.4240.75-1.el6_10

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:4351

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: #VU47756

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16003

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within printing in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

chromium-browser (Red Hat package): 80.0.3987.149-1.el6_10 - 86.0.4240.75-1.el6_10

Red Hat Enterprise Linux for Scientific Computing: 6

Red Hat Enterprise Linux Desktop: 6

Red Hat Enterprise Linux Workstation: 6

Red Hat Enterprise Linux Server: 6.0

CPE2.3

External links

https://access.redhat.com/errata/RHSA-2020:4351

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.