Vulnerability identifier: #VU67970

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-42011

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
dbus
Universal components / Libraries / Libraries used by multiple products

Vendor: Freedesktop.org

Description

The vulnerability allows a local user to gain access to potentially sensitive information or perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error caused by an invalid array of fixed-length elements where the length of the array is not a multiple of the length of the element. A local user can trigger an out-of-bounds read and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

dbus: 1.15.0, 1.14.0 - 1.14.2, 1.13.0 - 1.13.22, 1.12.0 - 1.12.22, 1.10.0 - 1.10.32, 1.11.0 - 1.11.22, 1.9.0 - 1.9.20, 1.8.0 - 1.8.22, 1.7.0 - 1.7.10, 1.6.0 - 1.6.30, 1.5.0 - 1.5.12, 1.4.0 - 1.4.26, 1.3.0 - 1.3.1

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External links
http://seclists.org/oss-sec/2022/q4/7
http://gitlab.freedesktop.org/dbus/dbus/-/commit/079bbf16186e87fb0157adf8951f19864bc2ed69

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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