CVE-2011-1528: Input Validation
The krb5ldaplockoutaudit 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 LDAP back end is used, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via unspecified vectors, related to the lockedcheckp function. NOTE: the Berkeley DB vector is covered by CVE-2011-4151.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1528?
CVE-2011-1528 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2011-1528?
To mitigate CVE-2011-1528, upgrade to the latest version of MIT Kerberos 5 that addresses this issue, specifically versions later than 1.8.4 and 1.9.1.
What products are affected by CVE-2011-1528?
CVE-2011-1528 affects MIT Kerberos 5 versions 1.8 through 1.8.4 and 1.9 through 1.9.1 that utilize an LDAP back end.
What causes the denial of service in CVE-2011-1528?
The denial of service in CVE-2011-1528 is caused by an assertion failure in the krb5_ldap_lockout_audit function.
Can CVE-2011-1528 be exploited remotely?
Yes, CVE-2011-1528 can be exploited by remote attackers to trigger the denial of service.