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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : gnutls (SUSE-SU-2024:1271-1)

medium Nessus Plugin ID 193307

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Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:1271-1 advisory.

 - A flaw was found in GnuTLS. The Minerva attack is a cryptographic vulnerability that exploits deterministic behavior in systems like GnuTLS, leading to side-channel leaks. In specific scenarios, such as when using the GNUTLS_PRIVKEY_FLAG_REPRODUCIBLE flag, it can result in a noticeable step in nonce size from 513 to 512 bits, exposing a potential timing side-channel. (CVE-2024-28834)

 - A flaw has been discovered in GnuTLS where an application crash can be induced when attempting to verify a specially crafted .pem bundle using the certtool --verify-chain command. (CVE-2024-28835)

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/1221242

https://bugzilla.suse.com/1221746

https://bugzilla.suse.com/1221747

https://lists.suse.com/pipermail/sle-updates/2024-April/034953.html

https://www.suse.com/security/cve/CVE-2024-28834

https://www.suse.com/security/cve/CVE-2024-28835

Plugin Details

Severity: Medium

ID: 193307

File Name: suse_SU-2024-1271-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 4/13/2024

Updated: 4/13/2024

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: 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: 4/12/2024

Vulnerability Publication Date: 3/20/2024

Reference Information

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

SuSE: SUSE-SU-2024:1271-1