CVE-2009-0845

The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.

🔗 References (88)

• cve@mitrehttp://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=6402
• cve@mitrehttp://lists.apple.com/archives/security-announce/2009/May/msg00002.html
• cve@mitrehttp://secunia.com/advisories/34347
• cve@mitrehttp://secunia.com/advisories/34594
• cve@mitrehttp://secunia.com/advisories/34617
• cve@mitrehttp://secunia.com/advisories/34622
• cve@mitrehttp://secunia.com/advisories/34628
• cve@mitrehttp://secunia.com/advisories/34630
• cve@mitrehttp://secunia.com/advisories/34637
• cve@mitrehttp://secunia.com/advisories/34640
• cve@mitrehttp://secunia.com/advisories/34734
• cve@mitrehttp://secunia.com/advisories/35074
• cve@mitrehttp://security.gentoo.org/glsa/glsa-200904-09.xml
• cve@mitrehttp://src.mit.edu/fisheye/browse/krb5/trunk/src/lib/gssapi/spnego/spnego_mech.c?r1=21875&r2=22084
• cve@mitrehttp://src.mit.edu/fisheye/changelog/krb5/?cs=22084