Alibaba Cloud Linux 3 : 0058: libtasn1 (ALINUX3-SA-2025:0058)

medium Nessus Plugin ID 235998

Synopsis

The remote Alibaba Cloud Linux host is missing one or more security updates.

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2025:0058 advisory.

Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

CVE-2024-12133:
A flaw in libtasn1 causes inefficient handling of specific certificate data. When processing a large number of elements in a certificate, libtasn1 takes much longer than expected, which can slow down or even crash the system. This flaw allows an attacker to send a specially crafted certificate, causing a denial of service attack.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux 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

Update the affected packages.

Plugin Details

Severity: Medium

ID: 235998

File Name: alinux3_sa_2025-0058.nasl

Version: 1.1

Type: local

Family: Alibaba Cloud Linux Local Security Checks

Published: 5/14/2025

Updated: 5/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.2

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2024-12133

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

CPE: cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-doc, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-tools, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-tools-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-devel, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:libtasn1-debugsource

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/Alibaba/release, Host/Alibaba/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/25/2025

Vulnerability Publication Date: 12/12/2023

Reference Information

CVE: CVE-2024-12133

Detections

Analytics