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SUSE SLES15 : Security update 4.3.16.1 for SUSE Manager Proxy and Retail Branch 4.3 LTS (SUSE-SU-2025:3826-1)

high Nessus Plugin ID 271942

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:3826-1 advisory.

 susemanager-build-keys:

 - Update SUSE GPG key and make it available for Salt (bsc#1250911)

 susemanager-sls:

 - Version 4.3.50-0
 * Fix OS Family grain name (bsc#1250911)
 - Version 4.3.49-0
 * Fixed syntax error in Salt state
 - Version 4.3.48-0
 * Automatically deploy the SUSE GPG key (bsc#1250911)

 spacewalk-java:

 - Version 4.3.88-0 with security fix:
 * CVE-2025-53883: Escape input strings in system search form (bsc#1246439)

 rhnlib:

 - Version 4.3.7-0:
 * Use more secure defusedxml parser (bsc#1227577)

 spacewalk-backend:

 - Version 4.3.34-0:
 * Use more secure defusedxml parser (bsc#1227577)

 spacewalk-web:

 - Version 4.3.46-0:
 * Bumped the WebUI version to 4.3.16.1

 How to apply this update:

 1. Log in as root user to the Multi-Linux Manager Server.
 2. Stop the Spacewalk service:
 `spacewalk-service stop` 3. Apply the patch using either zypper patch or YaST Online Update.
 4. Start the Spacewalk service:
 `spacewalk-service start`

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

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

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1227577

https://bugzilla.suse.com/1246277

https://bugzilla.suse.com/1246439

https://bugzilla.suse.com/1250911

http://www.nessus.org/u?41a4f0c4

https://www.suse.com/security/cve/CVE-2025-53880

https://www.suse.com/security/cve/CVE-2025-53883

Plugin Details

Severity: High

ID: 271942

File Name: suse_SU-2025-3826-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/29/2025

Updated: 10/29/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

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

CVSS Score Source: CVE-2025-53880

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/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:spacewalk-backend-xml-export-libs, p-cpe:/a:novell:suse_linux:susemanager-build-keys-web, p-cpe:/a:novell:suse_linux:spacewalk-java, p-cpe:/a:novell:suse_linux:spacewalk-backend-sql-postgresql, p-cpe:/a:novell:suse_linux:susemanager-build-keys, p-cpe:/a:novell:suse_linux:spacewalk-base-minimal, p-cpe:/a:novell:suse_linux:spacewalk-backend-iss-export, p-cpe:/a:novell:suse_linux:spacewalk-html, p-cpe:/a:novell:suse_linux:spacewalk-backend-applet, p-cpe:/a:novell:suse_linux:spacewalk-backend-package-push-server, p-cpe:/a:novell:suse_linux:python3-rhnlib, p-cpe:/a:novell:suse_linux:uyuni-config-modules, p-cpe:/a:novell:suse_linux:spacewalk-base-minimal-config, p-cpe:/a:novell:suse_linux:spacewalk-backend-iss, p-cpe:/a:novell:suse_linux:spacewalk-backend-xmlrpc, p-cpe:/a:novell:suse_linux:spacewalk-taskomatic, p-cpe:/a:novell:suse_linux:spacewalk-java-postgresql, p-cpe:/a:novell:suse_linux:spacewalk-backend-config-files-tool, p-cpe:/a:novell:suse_linux:susemanager-tftpsync-recv, p-cpe:/a:novell:suse_linux:susemanager-sls, p-cpe:/a:novell:suse_linux:spacewalk-backend-app, p-cpe:/a:novell:suse_linux:spacewalk-backend-server, p-cpe:/a:novell:suse_linux:spacewalk-backend-sql, p-cpe:/a:novell:suse_linux:spacewalk-java-config, p-cpe:/a:novell:suse_linux:spacewalk-backend, p-cpe:/a:novell:suse_linux:spacewalk-backend-config-files-common, p-cpe:/a:novell:suse_linux:spacewalk-backend-tools, p-cpe:/a:novell:suse_linux:spacewalk-base, p-cpe:/a:novell:suse_linux:spacewalk-java-lib, p-cpe:/a:novell:suse_linux:spacewalk-backend-config-files, 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: 10/28/2025

Vulnerability Publication Date: 10/28/2025

Reference Information

CVE: CVE-2025-53880, CVE-2025-53883

SuSE: SUSE-SU-2025:3826-1