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SUSE SLES12 Security Update : screen (SUSE-SU-2025:02186-1)

medium Nessus Plugin ID 241130

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2025:02186-1 advisory.

 Security issues fixed:

 - CVE-2025-46802: temporary `chmod` of a user's TTY to mode 0666 when attempting to attach to a multi-user session allows for TTY hijacking (bsc#1242269).

 Other issues fixed:

 - Use TTY file descriptor passing after a suspend (`MSG_CONT`).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

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 screen package.

See Also

https://bugzilla.suse.com/1242269

https://lists.suse.com/pipermail/sle-updates/2025-July/040573.html

https://www.suse.com/security/cve/CVE-2025-46802

Plugin Details

Severity: Medium

ID: 241130

File Name: suse_SU-2025-02186-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/2/2025

Updated: 7/2/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2025-46802

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:screen

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: 7/1/2025

Vulnerability Publication Date: 5/21/2025

Reference Information

CVE: CVE-2025-46802

SuSE: SUSE-SU-2025:02186-1