CVE-2007-4743

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-09-06 · updated 2026-06-16
Weakness: CWE-119

Description

The original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and other applications that use krb5, does not correctly check the buffer length in some environments and architectures, which might allow remote attackers to conduct a buffer overflow attack.

Affected products

MIT Kerberos 5: 1.4, 1.4.1, 1.4.2, 1.4.3, 1.4.4, 1.5 (+6)

References

http://article.gmane.org/gmane.comp.encryption.kerberos.announce/86
http://docs.info.apple.com/article.html?artnum=307041
http://lists.apple.com/archives/security-announce/2007/Nov/msg00002.html
http://secunia.com/advisories/26699
http://secunia.com/advisories/26987
http://secunia.com/advisories/27643
http://www.debian.org/security/2007/dsa-1387
http://www.novell.com/linux/security/advisories/2007_19_sr.html
http://www.redhat.com/support/errata/RHSA-2007-0892.html
http://www.securityfocus.com/archive/1/478748/100/0/threaded
http://www.securityfocus.com/archive/1/478794/100/0/threaded
http://www.securityfocus.com/bid/26444

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