CVE-2011-0281

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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