CVE-2011-1529: Input Validation
The lookuplockoutpolicy function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8 through 1.8.4 and 1.9 through 1.9.1, when the db2 (aka Berkeley DB) or LDAP back end is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via vectors that trigger certain processasreq errors.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1529?
CVE-2011-1529 is classified as a medium severity vulnerability due to its potential for causing denial of service.
How do I fix CVE-2011-1529?
To fix CVE-2011-1529, upgrade to MIT Kerberos 5 versions 1.8.5 or 1.9.2 or later.
Which versions of MIT Kerberos 5 are affected by CVE-2011-1529?
CVE-2011-1529 affects MIT Kerberos 5 versions 1.8 through 1.8.4 and 1.9 through 1.9.1.
What type of attack does CVE-2011-1529 enable?
CVE-2011-1529 allows remote attackers to exploit a NULL pointer dereference leading to a daemon crash.
What components of MIT Kerberos 5 are impacted by CVE-2011-1529?
The lookup_lockout_policy function in the Key Distribution Center (KDC) is impacted by CVE-2011-1529.