CVE-2024-12133 - CVE House
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Status published Medium CVE-2024-12133

Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Red Hat would like to thank Bing Shi for reporting this issue.

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Affected Vendor

Affected Software

Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On, Red Hat Enterprise Linux 8.8 Telecommunications Update Service, Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions, Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions, Red Hat Enterprise Linux 9.4 Extended Update Support, Red Hat Discovery 1.14, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat OpenShift Container Platform 4
Vulnerable Versions:
0, 0:4.13-5.el8_10, 0:3.6.14-10.el8_4.1, 0:4.13-3.el8_4.1, 0:3.6.16-5.el8_6.5, 0:4.13-3.el8_6.2, 0:3.6.16-7.el8_8.4, 0:4.13-4.el8_8.1, 0:4.16.0-9.el9, 0:4.16.0-8.el9_2.1, 0:4.16.0-8.el9_4.1, 1.14.3-1748529279, 1.14.2-1748467619

Timeline

Official Publish: February 10th, 2025
Last Modified: July 14th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weaknesses (CWE)

CWE-407

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.