Explain CVE-2011-0281
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 Products: n/a
References: [{'name': 'MDVSA-2011:025', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2011:025'}, {'name': '46265', 'tags': ['vdb-entry', 'x_refsource_BID'], 'url': 'http://www.securityfocus.com/bid/46265'}, {'name': '20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/520102/100/0/threaded'}, {'name': '46397', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/46397'}, {'name': 'ADV-2011-0347', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0347'}, {'name': '43260', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43260'}, {'name': 'ADV-2011-0333', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0333'}, {'name': 'RHSA-2011:0199', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0199.html'}, {'name': '43273', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43273'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txt'}, {'name': '20110208 MITKRB5-SA-2011-002 KDC denial of service attacks [CVE-2011-0281 CVE-2011-0282 CVE-2011-0283]', 'tags': ['mailing-list', 'x_refsource_BUGTRAQ'], 'url': 'http://www.securityfocus.com/archive/1/516299/100/0/threaded'}, {'name': '1025037', 'tags': ['vdb-entry', 'x_refsource_SECTRACK'], 'url': 'http://www.securitytracker.com/id?1025037'}, {'name': 'SUSE-SR:2011:004', 'tags': ['vendor-advisory', 'x_refsource_SUSE'], 'url': 'http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html'}, {'tags': ['x_refsource_CONFIRM'], 'url': 'http://www.vmware.com/security/advisories/VMSA-2011-0012.html'}, {'name': 'MDVSA-2011:024', 'tags': ['vendor-advisory', 'x_refsource_MANDRIVA'], 'url': 'http://www.mandriva.com/security/advisories?name=MDVSA-2011:024'}, {'name': 'ADV-2011-0464', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0464'}, {'name': '8073', 'tags': ['third-party-advisory', 'x_refsource_SREASON'], 'url': 'http://securityreason.com/securityalert/8073'}, {'name': 'kerberos-ldap-descriptor-dos(65324)', 'tags': ['vdb-entry', 'x_refsource_XF'], 'url': 'https://exchange.xforce.ibmcloud.com/vulnerabilities/65324'}, {'name': 'ADV-2011-0330', 'tags': ['vdb-entry', 'x_refsource_VUPEN'], 'url': 'http://www.vupen.com/english/advisories/2011/0330'}, {'name': "[kerberos] 20101222 LDAP handle unavailable: Can't contact LDAP server", 'tags': ['mailing-list', 'x_refsource_MLIST'], 'url': 'http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html'}, {'name': '43275', 'tags': ['third-party-advisory', 'x_refsource_SECUNIA'], 'url': 'http://secunia.com/advisories/43275'}, {'name': 'RHSA-2011:0200', 'tags': ['vendor-advisory', 'x_refsource_REDHAT'], 'url': 'http://www.redhat.com/support/errata/RHSA-2011-0200.html'}]
CVE State: PUBLISHED