Ubuntu update for webkit2gtk



| Updated: 2022-12-06
Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2022-32888
CVE-2022-32923
CVE-2022-42799
CVE-2022-42823
CVE-2022-42824
CWE-ID CWE-787
CWE-200
CWE-451
CWE-843
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

libjavascriptcoregtk-4.1-0 (Ubuntu package)
Other

libwebkit2gtk-4.1-0 (Ubuntu package)
Other

libwebkit2gtk-5.0-0 (Ubuntu package)
Operating systems & Components / Operating system package or component

libjavascriptcoregtk-4.0-18 (Ubuntu package)
Operating systems & Components / Operating system package or component

libjavascriptcoregtk-5.0-0 (Ubuntu package)
Operating systems & Components / Operating system package or component

libwebkit2gtk-4.0-37 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU68680

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-2022-32888

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can create a specially crafted web page, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5730-1


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) Information disclosure

EUVDB-ID: #VU68810

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-2022-32923

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists in WebKit due to an error in the JIT implementation. A remote attacker can trick the victim to visit a malicious website and disclose internal states of the application.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5730-1


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) Spoofing attack

EUVDB-ID: #VU68625

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-2022-42799

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in WebKit. A remote attacker can trick the victim to visit a specially crafted website and spoof user interface.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5730-1


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) Type Confusion

EUVDB-ID: #VU68626

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-2022-42823

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to a type confusion error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.

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

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5730-1


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) Information disclosure

EUVDB-ID: #VU68627

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-2022-42824

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to unspecified error in WebKit. A remote attacker can trick the victim to visit a specially crafted web page and gain access to potentially sensitive information.

Mitigation

Update the affected package webkit2gtk to the latest version.

Vulnerable software versions

Ubuntu: 20.04 - 22.10

libjavascriptcoregtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-4.1-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.04.2

libwebkit2gtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libjavascriptcoregtk-4.0-18 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

libjavascriptcoregtk-5.0-0 (Ubuntu package): before 2.38.2-0ubuntu0.22.10.1

libwebkit2gtk-4.0-37 (Ubuntu package): before 2.38.2-0ubuntu0.20.04.1

CPE2.3 External links

https://ubuntu.com/security/notices/USN-5730-1


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.



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