CVE-2003-0082

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2003-04-02 · updated 2026-06-16

Description

The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").

Affected products

MIT Kerberos: 1.0, 1.2.2.beta1
MIT Kerberos 5: 1.0.6, 1.1, 1.1.1, 1.2, 1.2.1, 1.2.2 (+6)

References

http://sunsolve.sun.com/search/document.do?assetkey=1-26-54042-1
http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2003-005-buf.txt
http://www.debian.org/security/2003/dsa-266
http://www.redhat.com/support/errata/RHSA-2003-051.html
http://www.redhat.com/support/errata/RHSA-2003-052.html
http://www.redhat.com/support/errata/RHSA-2003-091.html
http://www.securityfocus.com/archive/1/316960/30/25250/threaded
http://www.securityfocus.com/bid/7185
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A244
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2536
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4430
http://sunsolve.sun.com/search/document.do?assetkey=1-26-54042-1

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