CVE-2006-6143

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-12-31 · updated 2026-06-16
Weakness: CWE-824

Description

The RPC library in Kerberos 5 1.4 through 1.4.4, and 1.5 through 1.5.1, as used in Kerberos administration daemon (kadmind) and other products that use this library, calls an uninitialized function pointer in freed memory, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors.

Affected products

Canonical Ubuntu Linux: 6.06, 6.10
MIT Kerberos 5: 1.4, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.5 (+1)

References

http://docs.info.apple.com/article.html?artnum=305391
http://fedoranews.org/cms/node/2375
http://fedoranews.org/cms/node/2376
http://lists.apple.com/archives/Security-announce/2007/Apr/msg00001.html
http://lists.suse.com/archive/suse-security-announce/2007-Jan/0004.html
http://osvdb.org/31281
http://secunia.com/advisories/23667
http://secunia.com/advisories/23696
http://secunia.com/advisories/23701
http://secunia.com/advisories/23706
http://secunia.com/advisories/23707
http://secunia.com/advisories/23772

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