Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mit | Kerberos 5 | 1.9 |
Related Weaknesses (CWE)
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txtVendor Advisory
- http://www.kb.cert.org/vuls/id/659251US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:159
- http://www.redhat.com/support/errata/RHSA-2011-1379.htmlVendor Advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=629558
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-006.txtVendor Advisory
- http://www.kb.cert.org/vuls/id/659251US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:159
- http://www.redhat.com/support/errata/RHSA-2011-1379.htmlVendor Advisory
FAQ
What is CVE-2011-1527?
CVE-2011-1527 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 poin...
How severe is CVE-2011-1527?
CVE-2011-1527 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1527?
Check the references section above for vendor advisories and patch information. Affected products include: Mit Kerberos 5.