SUSE update for xwayland

Published: 2023-10-31

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-5367 CVE-2023-5574
CWE-ID	CWE-787 CWE-416
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Workstation Extension 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 15 Operating systems & Components / Operating system SUSE Linux Enterprise Server 15 Operating systems & Components / Operating system SUSE Linux Enterprise Desktop 15 Operating systems & Components / Operating system openSUSE Leap Operating systems & Components / Operating system xwayland-debuginfo Operating systems & Components / Operating system package or component xwayland-debugsource Operating systems & Components / Operating system package or component xwayland-devel Operating systems & Components / Operating system package or component xwayland Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Out-of-bounds write

EUVDB-ID: #VU82380

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

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

Update the affected package xwayland to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 15: SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise Desktop 15: SP4

openSUSE Leap: 15.4

xwayland-debuginfo: before 21.1.4-150400.3.20.1

xwayland-debugsource: before 21.1.4-150400.3.20.1

xwayland-devel: before 21.1.4-150400.3.20.1

xwayland: before 21.1.4-150400.3.20.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20234293-1/

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: #VU82382