CVE-2024-12133— Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
I. Basic Information for CVE-2024-12133
Vulnerability Information
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Vulnerability Title
Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
Source: NVD (National Vulnerability Database)
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
算法复杂性
Source: NVD (National Vulnerability Database)
Vulnerability Title
libtasn1 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libtasn1是gnutls开源的一个小型的 ASN.1 库。 libtasn1存在安全漏洞，该漏洞源于在处理证书中的大量元素时，所花的时间比预期的要长得多，这可能会导致系统变慢甚至崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | - | 0 ~ 4.20.0 | - | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.13-5.el8_10 ~ * | cpe:/o:redhat:enterprise_linux:8::baseos | |
| Red Hat | Red Hat Enterprise Linux 8 | 0:4.13-5.el8_10 ~ * | cpe:/o:redhat:enterprise_linux:8::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:4.16.0-9.el9 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9 | 0:4.16.0-9.el9 ~ * | cpe:/o:redhat:enterprise_linux:9::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions | 0:4.16.0-8.el9_2.1 ~ * | cpe:/o:redhat:rhel_e4s:9.2::baseos | |
| Red Hat | Red Hat Enterprise Linux 9.4 Extended Update Support | 0:4.16.0-8.el9_4.1 ~ * | cpe:/o:redhat:rhel_eus:9.4::baseos | |
| Red Hat | Red Hat Discovery 1.14 | sha256:ad1045aa0de937c3a6969ec377f7bfeda9a44ee434a954e8245e9840316ffc1c ~ * | cpe:/a:redhat:discovery:1.14::el9 | |
| Red Hat | Red Hat Discovery 1.14 | sha256:c960fa13577db72b52765d6941688f431f61fe38adb717b2d8bb6569e241bc5e ~ * | cpe:/a:redhat:discovery:1.14::el9 | |
| Red Hat | Red Hat Enterprise Linux 10 | - | cpe:/o:redhat:enterprise_linux:10 | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat OpenShift Container Platform 4 | - | cpe:/a:redhat:openshift:4 |
II. Public POCs for CVE-2024-12133
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- 2344611 – (CVE-2024-12133) CVE-2024-12133 libtasn1: Inefficient DER Decoding in libtasn1 Leading to Potential Remote DoSissue-trackingx_refsource_REDHAT
- https://nvd.nist.gov/vuln/detail/CVE-2024-12133
IV. Related Vulnerabilities
Same weakness: CWE-407
- CVE-2026-45186
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net-imap: Quadratic complexity when reading response literal - CVE-2026-43967
Quadratic fragment-name uniqueness check causes denial of se - CVE-2026-40476
graphql-php: Denial of Service via quadratic complexity in O - CVE-2026-35599
Vikunja has an Algorithmic Complexity DoS in Repeating Task
V. Comments for CVE-2024-12133
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