openEuler update for xorg-x11-server

Published: 2023-11-10

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-5367 CVE-2023-5380
CWE-ID	CWE-787 CWE-416
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	openEuler Operating systems & Components / Operating system xorg-x11-server-help Operating systems & Components / Operating system package or component xorg-x11-server-debugsource Operating systems & Components / Operating system package or component xorg-x11-server-debuginfo Operating systems & Components / Operating system package or component xorg-x11-server-Xephyr Operating systems & Components / Operating system package or component xorg-x11-server-devel Operating systems & Components / Operating system package or component xorg-x11-server Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU82380

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-2023-5367

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 in IChangeDeviceProperty/RRChangeOutputProperty. 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: 20.03 LTS SP1 - 22.03 LTS

xorg-x11-server-help: before 1.20.8-21

xorg-x11-server-debugsource: before 1.20.8-21

xorg-x11-server-debuginfo: before 1.20.8-21

xorg-x11-server-Xephyr: before 1.20.8-21

xorg-x11-server-devel: before 1.20.8-21

xorg-x11-server: before 1.20.8-21

CPE2.3

External links

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1795

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.

2) Use-after-free

EUVDB-ID: #VU82381