Debian update for webkit2gtk



Risk Critical
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2023-28204
CVE-2023-32373
CWE-ID CWE-125
CWE-416
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerability #2 is being exploited in the wild.
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

webkit2gtk (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds read

EUVDB-ID: #VU76310

Risk: High

CVSSv4.0: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber]

CVE-ID: CVE-2023-28204

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to a boundary condition in WebKit. A remote attacker can trick the victim to visit a specially crafted webpage, trigger an out-of-bounds read error and read contents of memory on the system.

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

Mitigation

Update webkit2gtk package to one of the following versions: 2.40.2-1~deb11u1, 2.40.2-1~deb12u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.40.2-1~deb11u1

CPE2.3 External links

https://www.debian.org/security/2023/dsa-5427


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) Use-after-free

EUVDB-ID: #VU76312

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-2023-32373

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 in WebKit. A remote attacker can trick the victim to visit a specially crafted web page, 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.

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

Mitigation

Update webkit2gtk package to one of the following versions: 2.40.2-1~deb11u1, 2.40.2-1~deb12u1.

Vulnerable software versions

Debian Linux: All versions

webkit2gtk (Debian package): before 2.40.2-1~deb11u1

CPE2.3 External links

https://www.debian.org/security/2023/dsa-5427


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.



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