CVE-2010-4020
CVE-2010-4020
MIT Kerberos 5 (aka krb5) 1.8.x through 1.8.3 does not reject RC4 key-derivation checksums, which might allow remote authenticated users to forge a (1) AD-SIGNEDPATH or (2) AD-KDC-ISSUED signature, and possibly gain privileges, by leveraging the small key space that results from certain one-byte stream-cipher operations.
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http://kb.vmware.com/kb/1035108http://lists.apple.com/archives/security-announce/2011/Mar/msg00006.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2010-December/051976.htmlhttp://lists.fedoraproject.org/pipermail/package-announce/2010-December/051999.htmlhttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00000.htmlhttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00006.htmlhttp://lists.vmware.com/pipermail/security-announce/2011/000133.htmlhttp://osvdb.org/69608http://secunia.com/advisories/42399http://support.apple.com/kb/HT4581http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2010-007.txthttp://www.mandriva.com/security/advisories?name=MDVSA-2010:246