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Slackware Linux 15.0 / current gnutls Multiple Vulnerabilities (SSA:2024-016-01)

high Nessus Plugin ID 189071

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Synopsis

The remote Slackware Linux host is missing a security update to gnutls.

Description

The version of gnutls installed on the remote host is prior to 3.8.3. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2024-016-01 advisory.

 - A vulnerability was found in GnuTLS. The response times to malformed ciphertexts in RSA-PSK ClientKeyExchange differ from response times of ciphertexts with correct PKCS#1 v1.5 padding. This issue may allow a remote attacker to perform a timing side-channel attack in the RSA-PSK key exchange, potentially leading to the leakage of sensitive data. CVE-2024-0553 is designated as an incomplete resolution for CVE-2023-5981. (CVE-2024-0553)

 - A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure.
 This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.
 (CVE-2024-0567)

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

Solution

Upgrade the affected gnutls package.

See Also

http://www.nessus.org/u?c49caf44

Plugin Details

Severity: High

ID: 189071

File Name: Slackware_SSA_2024-016-01.nasl

Version: 1.1

Type: local

Published: 1/16/2024

Updated: 1/25/2024

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2024-0553

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

Vulnerability Information

CPE: p-cpe:/a:slackware:slackware_linux:gnutls, cpe:/o:slackware:slackware_linux, cpe:/o:slackware:slackware_linux:15.0

Required KB Items: Host/local_checks_enabled, Host/Slackware/release, Host/Slackware/packages

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/16/2024

Vulnerability Publication Date: 1/16/2024

Reference Information

CVE: CVE-2024-0553, CVE-2024-0567