CVE-2024-12133: Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
First published: Thu Feb 06 2025(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libtasn1 (GNU) | =4.20.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2024-12133?
CVE-2024-12133 is considered moderate because it can lead to significant performance degradation or crashes when processing certain certificate data.
How do I fix CVE-2024-12133?
To fix CVE-2024-12133, update libtasn1 to version 4.20.1 or later, where the vulnerability is addressed.
What systems are affected by CVE-2024-12133?
CVE-2024-12133 affects GNU libtasn1 version 4.20.0 specifically.
What impact does CVE-2024-12133 have on systems?
CVE-2024-12133 can lead to inefficient handling of certificate data, resulting in slowdowns or crashes.
Can CVE-2024-12133 be exploited remotely?
Yes, CVE-2024-12133 can be exploited by attackers sending specially crafted certificate data.
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