Security readout for executives and security teams
This is an old MIT Kerberos V5 parsing flaw. A remote attacker could send malformed ASN.1 data that makes vulnerable Kerberos code treat a very large length as negative, causing a denial of service. Business impact is mainly authentication disruption where obsolete krb5 versions remain in use. Exposure is likely limited to legacy systems running MIT Kerberos V5 krb5 before 1.2.5 or vendor packages based on vulnerable code. Modern maintained distributions should normally be past this issue, but old authentication servers, appliances, or frozen images warrant inventory checks. Handle during legacy authentication risk review. Escalate if any production Kerberos server still runs pre-1.2.5 krb5 or unsupported vendor packages, because authentication outages can affect broad business operations. Mitigation focus: Upgrade MIT Kerberos V5 krb5 to 1.2.5 or later.; Apply fixed vendor packages referenced by the operating system maintainer.; Prioritize Kerberos KDCs and authentication-critical hosts..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2002-0036 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- kerberos-kdc-neglength-bo(11190)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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