openEuler 22.03 LTS SP3 update for xorg-x11-server-xwayland

1) Out-of-bounds write

EUVDB-ID: #VU65223

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-2320

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

Exploit availability: No

Description

    The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the ProcXkbSetDeviceInfo request handler of the Xkb extension. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP3

xorg-x11-server-Xwayland-devel: before 22.1.2-6

xorg-x11-server-Xwayland-debugsource: before 22.1.2-6

xorg-x11-server-Xwayland-debuginfo: before 22.1.2-6

xorg-x11-server-Xwayland: before 22.1.2-6

CPE2.3

• cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:*
• cpe:2.3:a:openeuler:xorg-x11-server-xwayland-devel:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xorg-x11-server-xwayland-debugsource:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xorg-x11-server-xwayland-debuginfo:*:*:*:*:*:openeuler:*:*
• cpe:2.3:a:openeuler:xorg-x11-server-xwayland:*:*:*:*:*:openeuler:*:*

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-1819

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.