CVE-2011-1527

The kdb_ldap plugin in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.1, when the LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a kinit operation with incorrect string case for the realm, related to the is_principal_in_realm, krb5_set_error_message, krb5_ldap_get_principal, and process_as_req functions.

CVSS v2.0 7.8 HIGH

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt	Vendor Advisory
http://www.kb.cert.org/vuls/id/659251	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:159
http://www.redhat.com/support/errata/RHSA-2011-1379.html	Vendor Advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txt	Vendor Advisory
http://www.kb.cert.org/vuls/id/659251	US Government Resource
http://www.mandriva.com/security/advisories?name=MDVSA-2011:159
http://www.redhat.com/support/errata/RHSA-2011-1379.html	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mit:kerberos_5:1.9:::::::*
	cpe:2.3:a:mit:kerberos_5:1.9.1:::::::*

History

No history.

Information

Published : 2011-10-20 21:55

Updated : 2025-04-11 00:51

NVD link : CVE-2011-1527

Mitre link : CVE-2011-1527

CVE.ORG link : CVE-2011-1527

JSON object : View

Products Affected

mit

kerberos_5

CWE

CWE-20

Improper Input Validation

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