Ubuntu 24.04 LTS. : GnuTLS vulnerabilities (USN-6733-2)

medium Nessus Plugin ID 194726

Synopsis

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

Description

The remote Ubuntu 24.04 LTS. host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6733-2 advisory.

USN-6733-1 fixed vulnerabilities in GnuTLS. This update provides the corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

It was discovered that GnuTLS had a timing side-channel when performing

certain ECDSA operations. A remote attacker could possibly use this issue

to recover sensitive information. (CVE-2024-28834)

It was discovered that GnuTLS incorrectly handled verifying certain PEM

bundles. A remote attacker could possibly use this issue to cause GnuTLS to

crash, resulting in a denial of service. This issue only affected Ubuntu

22.04 LTS and Ubuntu 23.10. (CVE-2024-28835)

Tenable has extracted the preceding description block directly from the Ubuntu 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://ubuntu.com/security/notices/USN-6733-2

Plugin Details

Severity: Medium

ID: 194726

File Name: ubuntu_USN-6733-2.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/29/2024

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2024-28834

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:24.04:-:lts., p-cpe:/a:canonical:ubuntu_linux:libgnutls-dane0t64, p-cpe:/a:canonical:ubuntu_linux:libgnutls-openssl27t64, p-cpe:/a:canonical:ubuntu_linux:libgnutls28-dev, p-cpe:/a:canonical:ubuntu_linux:libgnutls30t64, p-cpe:/a:canonical:ubuntu_linux:gnutls-bin

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/29/2024

Vulnerability Publication Date: 3/21/2024

Reference Information

CVE: CVE-2024-28834, CVE-2024-28835

USN: 6733-2