CVE-2011-0281 Information

Description

The unparse implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9 when an LDAP backend is used allows remote attackers to cause a denial of service (file descriptor exhaustion and daemon hang) via a principal name that triggers use of a backslash escape sequence as demonstrated by a \n sequence.

Reference

http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html http://secunia.com/advisories/43260 http://secunia.com/advisories/43273 http://secunia.com/advisories/43275 http://secunia.com/advisories/46397 http://securityreason.com/securityalert/8073 http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txt http://www.mandriva.com/security/advisories?name=MDVSA-2011:024 http://www.mandriva.com/security/advisories?name=MDVSA-2011:025 http://www.redhat.com/support/errata/RHSA-2011-0199.html http://www.redhat.com/support/errata/RHSA-2011-0200.html http://www.securityfocus.com/archive/1/516299/100/0/threaded http://www.securityfocus.com/archive/1/520102/100/0/threaded http://www.securityfocus.com/bid/46265 http://www.securitytracker.com/id?1025037 http://www.vmware.com/security/advisories/VMSA-2011-0012.html http://www.vupen.com/english/advisories/2011/0330 http://www.vupen.com/english/advisories/2011/0333 http://www.vupen.com/english/advisories/2011/0347 http://www.vupen.com/english/advisories/2011/0464 https://exchange.xforce.ibmcloud.com/vulnerabilities/65324