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SUSE SLED15 / SLES15 Security Update : gnutls (SUSE-SU-2022:0717-1)

medium Nessus Plugin ID 158615

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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 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:0717-1 advisory.

 - A NULL pointer dereference flaw was found in GnuTLS. As Nettle's hash update functions internally call memcpy, providing zero-length input may cause undefined behavior. This flaw leads to a denial of service after authentication in rare circumstances. (CVE-2021-4209)

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 packages.

See Also

https://bugzilla.suse.com/1196167

https://www.suse.com/security/cve/CVE-2021-4209

http://www.nessus.org/u?07dd7b35

Plugin Details

Severity: Medium

ID: 158615

File Name: suse_SU-2022-0717-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/5/2022

Updated: 7/14/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-4209

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libgnutls30-hmac, p-cpe:/a:novell:suse_linux:libgnutls30-hmac-32bit, p-cpe:/a:novell:suse_linux:libgnutls30-32bit, p-cpe:/a:novell:suse_linux:libgnutls30, p-cpe:/a:novell:suse_linux:libgnutlsxx-devel, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libgnutls-devel, p-cpe:/a:novell:suse_linux:gnutls, p-cpe:/a:novell:suse_linux:libgnutlsxx28

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: 3/4/2022

Vulnerability Publication Date: 8/24/2022

Reference Information

CVE: CVE-2021-4209

SuSE: SUSE-SU-2022:0717-1