CVE-2024-12133 (GCVE-0-2024-12133)

Vulnerability from cvelistv5 – Published: 2025-02-10 15:28 – Updated: 2026-06-26 13:36
VLAI
Title
Libtasn1: inefficient der decoding in libtasn1 leading to potential remote dos
Summary
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.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
Impacted products
Vendor Product Version
Affected: 0 , < 4.20.0 (semver)
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.13-5.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/o:redhat:enterprise_linux:8::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:4.16.0-9.el9 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/o:redhat:enterprise_linux:9::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Unaffected: 0:4.16.0-8.el9_2.1 , < * (rpm)
    cpe:/a:redhat:rhel_e4s:9.2::appstream
    cpe:/o:redhat:rhel_e4s:9.2::baseos
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:4.16.0-8.el9_4.1 , < * (rpm)
    cpe:/a:redhat:rhel_eus:9.4::appstream
    cpe:/o:redhat:rhel_eus:9.4::baseos
 Create a notification for this product.
Red Hat Red Hat Discovery 1.14 Unaffected: 1.14.3-1748529279 , < * (rpm)
    cpe:/a:redhat:discovery:1.14::el9
 Create a notification for this product.
Red Hat Red Hat Discovery 1.14 Unaffected: 1.14.2-1748467619 , < * (rpm)
    cpe:/a:redhat:discovery:1.14::el9
 Create a notification for this product.
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens RUGGEDCOM ROX MX5000 Affected: 0 , < V2.17.0 (custom)
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Siemens RUGGEDCOM ROX MX5000RE Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1400 Affected: 0 , < V2.17.0 (custom)
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Siemens RUGGEDCOM ROX RX1500 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1501 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1510 Affected: 0 , < V2.17.0 (custom)
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Siemens RUGGEDCOM ROX RX1511 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1512 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX1524 Affected: 0 , < V2.17.0 (custom)
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Siemens RUGGEDCOM ROX RX1536 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Siemens RUGGEDCOM ROX RX5000 Affected: 0 , < V2.17.0 (custom)
Create a notification for this product.
Date Public
2025-02-10 00:00
Credits
Red Hat would like to thank Bing Shi for reporting this issue.
Show details on NVD website
To clipboard 

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public.\"}], \"datePublic\": \"2025-02-10T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2025:17347\", \"name\": \"RHSA-2025:17347\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:4049\", \"name\": \"RHSA-2025:4049\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:7077\", \"name\": \"RHSA-2025:7077\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:8021\", \"name\": \"RHSA-2025:8021\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:8385\", \"name\": \"RHSA-2025:8385\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2024-12133\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2344611\", \"name\": \"RHBZ#2344611\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://gitlab.com/gnutls/libtasn1/-/blob/master/doc/security/CVE-2024-12133.md\"}, {\"url\": \"https://gitlab.com/gnutls/libtasn1/-/issues/52\"}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-407\", \"description\": \"Inefficient Algorithmic Complexity\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2026-06-26T13:36:24.683Z\"}, \"x_redhatCweChain\": \"CWE-407: Inefficient Algorithmic Complexity\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-12133\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-26T13:36:24.683Z\", \"dateReserved\": \"2024-12-04T03:13:48.478Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-02-10T15:28:03.193Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.