SUSE SLED15 / SLES15 / openSUSE 15 Security Update : xwayland (SUSE-SU-2023:1716-1)

high Nessus Plugin ID 173773

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:1716-1 advisory.

- A flaw was found in X.Org Server Overlay Window. A Use-After-Free may lead to local privilege escalation.
If a client explicitly destroys the compositor overlay window (aka COW), the Xserver would leave a dangling pointer to that window in the CompScreen structure, which will trigger a use-after-free later.
(CVE-2023-1393)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected xwayland and / or xwayland-devel packages.

See Also

https://bugzilla.suse.com/1209543

https://lists.suse.com/pipermail/sle-updates/2023-March/028536.html

https://www.suse.com/security/cve/CVE-2023-1393

Plugin Details

Severity: High

ID: 173773

File Name: suse_SU-2023-1716-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 4/2/2023

Updated: 7/14/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-1393

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:xwayland, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 3/31/2023

Vulnerability Publication Date: 3/29/2023

Reference Information

CVE: CVE-2023-1393

SuSE: SUSE-SU-2023:1716-1