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SUSE SLES15 Security Update : gnutls (SUSE-SU-2025:02589-1)

medium Nessus Plugin ID 243300

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Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02589-1 advisory.

 - CVE-2025-6395: Fix NULL pointer dereference when 2nd Client Hello omits PSK (bsc#1246299)
 - CVE-2025-32988: Fix double-free due to incorrect ownership handling in the export logic of SAN entries containing an otherName (bsc#1246232)
 - CVE-2025-32989: Fix heap buffer overread when handling the CT SCT extension during X.509 certificate parsing (bsc#1246233)
 - CVE-2025-32990: Fix 1-byte heap buffer overflow when parsing templates with certtool (bsc#1246267)

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/1246232

https://bugzilla.suse.com/1246233

https://bugzilla.suse.com/1246267

https://bugzilla.suse.com/1246299

https://lists.suse.com/pipermail/sle-updates/2025-August/041003.html

https://www.suse.com/security/cve/CVE-2025-32988

https://www.suse.com/security/cve/CVE-2025-32989

https://www.suse.com/security/cve/CVE-2025-32990

https://www.suse.com/security/cve/CVE-2025-6395

Plugin Details

Severity: Medium

ID: 243300

File Name: suse_SU-2025-02589-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/2/2025

Updated: 8/6/2025

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: 5.0

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2025-32990

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libgnutls30, p-cpe:/a:novell:suse_linux:libgnutls30-hmac, p-cpe:/a:novell:suse_linux:libgnutls30-32bit, p-cpe:/a:novell:suse_linux:libgnutlsxx-devel, p-cpe:/a:novell:suse_linux:libgnutlsxx28, p-cpe:/a:novell:suse_linux:libgnutls-devel, p-cpe:/a:novell:suse_linux:gnutls, p-cpe:/a:novell:suse_linux:gnutls-guile, p-cpe:/a:novell:suse_linux:libgnutls30-hmac-32bit, 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: 8/1/2025

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2025-32988, CVE-2025-32989, CVE-2025-32990, CVE-2025-6395

SuSE: SUSE-SU-2025:02589-1