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Debian dla-3660 : gnutls-bin - security update

critical Nessus Plugin ID 186205

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3660 advisory.

 ------------------------------------------------------------------------- Debian LTS Advisory DLA-3660-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany November 22, 2023 https://wiki.debian.org/LTS
 -------------------------------------------------------------------------

 Package : gnutls28 Version : 3.6.7-4+deb10u11 CVE ID : CVE-2023-5981 Debian Bug : 1056188

 A vulnerability was found in GnuTLS, a secure communications library, which may facilitate a timing attack to compromise a cryptographic system. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding. Only TLS ciphertext processing is affected.

 For Debian 10 buster, this problem has been fixed in version 3.6.7-4+deb10u11.

 We recommend that you upgrade your gnutls28 packages.

 For the detailed security status of gnutls28 please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/gnutls28

 Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
 signature.asc Description: This is a digitally signed message part

Tenable has extracted the preceding description block directly from the Debian 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

Upgrade the gnutls-bin packages.

See Also

https://security-tracker.debian.org/tracker/source-package/gnutls28

https://security-tracker.debian.org/tracker/CVE-2023-5981

https://packages.debian.org/source/buster/gnutls28

Plugin Details

Severity: Critical

ID: 186205

File Name: debian_DLA-3660.nasl

Version: 1.3

Type: local

Agent: unix

Published: 11/22/2023

Updated: 1/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2023-5981

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libgnutlsxx28, p-cpe:/a:debian:debian_linux:libgnutls30, p-cpe:/a:debian:debian_linux:gnutls-doc, cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:libgnutls28-dev, p-cpe:/a:debian:debian_linux:libgnutls-openssl27, p-cpe:/a:debian:debian_linux:libgnutls-dane0, p-cpe:/a:debian:debian_linux:gnutls-bin

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/22/2023

Vulnerability Publication Date: 11/22/2023

Reference Information

CVE: CVE-2023-5981