CVE-2024-12133
Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
Severity Score
5.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
USN-7275-1 fixed vulnerabilities in Libtasn1. This update provides the corresponding updates for Ubuntu 24.04 LTS. Bing Shi discovered that Libtasn1 inefficiently handled certificates. An attacker could possibly use this issue to increase resource utilization leading to a denial of service.
*Credits:
Red Hat would like to thank Bing Shi for reporting this issue.
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-12-04 CVE Reserved
- 2025-02-10 CVE Published
- 2025-04-23 EPSS Updated
- 2025-05-13 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-407: Inefficient Algorithmic Complexity
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://gitlab.com/gnutls/libtasn1/-/issues/52 | ||
| http://www.openwall.com/lists/oss-security/2025/02/06/6 |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2024-12133 | 2025-02-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2344611 | 2025-02-10 | |
| https://access.redhat.com/errata/RHSA-2025:4049 | 2025-05-13 | |
| https://access.redhat.com/errata/RHSA-2025:7077 | 2025-05-13 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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| Red Hat Search vendor "Red Hat" | Enterprise Linux Search vendor "Red Hat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Openshift Search vendor "Redhat" for product "Openshift" | * | - |
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| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | * | - |
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | * | - |
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| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | * | - |
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| Huawei Search vendor "Huawei" | Euleros Search vendor "Huawei" for product "Euleros" | * | - |
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| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | * | - |
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| Oracle Search vendor "Oracle" | Linux Search vendor "Oracle" for product "Linux" | * | - |
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| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | * | - |
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| Redhat Search vendor "Redhat" | Rhel Eus Search vendor "Redhat" for product "Rhel Eus" | * | - |
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| Siemens Search vendor "Siemens" | Simatic S7-1500 Cpu 1518-4 Pn/dp Mfp Firmware Search vendor "Siemens" for product "Simatic S7-1500 Cpu 1518-4 Pn/dp Mfp Firmware" | * | - |
Affected
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| Siemens Search vendor "Siemens" | Simatic S7-1500 Cpu 1518f-4 Pn/dp Mfp Firmware Search vendor "Siemens" for product "Simatic S7-1500 Cpu 1518f-4 Pn/dp Mfp Firmware" | * | - |
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| Siemens Search vendor "Siemens" | Siplus S7-1500 Cpu 1518-4 Pn/dp Mfp Firmware Search vendor "Siemens" for product "Siplus S7-1500 Cpu 1518-4 Pn/dp Mfp Firmware" | * | - |
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| Slackware Search vendor "Slackware" | Slackware Linux Search vendor "Slackware" for product "Slackware Linux" | * | - |
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| Suse Search vendor "Suse" | Sle-module-basesystem Search vendor "Suse" for product "Sle-module-basesystem" | * | - |
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| Suse Search vendor "Suse" | Sle Hpc-espos Search vendor "Suse" for product "Sle Hpc-espos" | * | - |
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| Suse Search vendor "Suse" | Sle Hpc-ltss Search vendor "Suse" for product "Sle Hpc-ltss" | * | - |
Affected
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| Suse Search vendor "Suse" | Sles-ltss-extended-security Search vendor "Suse" for product "Sles-ltss-extended-security" | * | - |
Affected
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| Suse Search vendor "Suse" | Sles-ltss Search vendor "Suse" for product "Sles-ltss" | * | - |
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| Suse Search vendor "Suse" | Sles Sap Search vendor "Suse" for product "Sles Sap" | * | - |
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| Suse Search vendor "Suse" | Suse-manager-proxy Search vendor "Suse" for product "Suse-manager-proxy" | * | - |
Affected
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| Suse Search vendor "Suse" | Suse-manager-server Search vendor "Suse" for product "Suse-manager-server" | * | - |
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