5.3
Medium
CVE-2024-12133 Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
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.
CVSS 3.1 detail
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitable remotely over the network, without an account and without any user action; the impact on data or service is limited.
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 9 | Versions not published | |
| Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 9.4 Extended Update Support | Versions not published | |
| Red Hat Discovery 1.14 1.14 | earliest → < 1.14.2-1748467619 | 1.14.2-1748467619 |
| Red Hat Enterprise Linux 10 | Versions not published | |
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat OpenShift Container Platform 4 | Versions not published |
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References
- RHSA-2025:17347 access.redhat.com
- RHSA-2025:4049 access.redhat.com
- RHSA-2025:7077 access.redhat.com
- RHSA-2025:8021 access.redhat.com
- RHSA-2025:8385 access.redhat.com
- RHSA-2026:30849 access.redhat.com
- RHSA-2026:30850 access.redhat.com
- RHSA-2026:33125 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2344611 bugzilla.redhat.com
- gitlab.com gitlab.com
- gitlab.com gitlab.com
Timeline
- Published
- Last modified
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