Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a…

Description

Integer signedness error in MIT Kerberos V5 ASN.1 decoder before krb5 1.2.5 allows remote attackers to cause a denial of service via a large unsigned data element length, which is later used as a negative value.

Scores

EPSS (exploitation in 30 days)

4.5% · top 8.5% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (10)

• RHSA-2003:052 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-001-multiple.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2003:051 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• MDKSA-2003:043 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
• 4896 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 6713 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• kerberos-kdc-neglength-bo(11190) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• CLA-2003:639 (opens in a new tab)vendor-advisoryx_refsource_CONECTIVAx_transferred
• VU#587579 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
• RHSA-2003:168 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 8 Aug 2024, 02:35 UTC.