CVE-2005-1689

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 11.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2005-07-18 · updated 2026-06-16
Weakness: CWE-415

Description

Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

Affected products

macOS: before 10.4.2 — fixed in 10.4.2
Apple Mac Os X Server: before 10.4.2 — fixed in 10.4.2
Debian Linux: 3.0, 3.1
MIT Kerberos 5: through 1.4.1

How to fix

Upgrade to a fixed version: macOS 10.4.2; Apple Mac Os X Server 10.4.2. Check the vendor advisory for mitigations.

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000993
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://marc.info/?l=bugtraq&m=112119974704542&w=2
http://secunia.com/advisories/16041
http://secunia.com/advisories/17135
http://secunia.com/advisories/17899
http://secunia.com/advisories/22090
http://securitytracker.com/id?1014461
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101810-1
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2005-003-recvauth.txt

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