CVE-2011-1528 Denial of service in n/a
Remote attackers can cause a denial of service in MIT Kerberos KDC when using the LDAP backend, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1528?
CVE-2011-1528 is a high-severity denial of service vulnerability in Mit Kerberos 5, published on 20 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The krb5_ldap_lockout_audit 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 locked_check_p function. NOTE: the Berkeley DB vector is covered by CVE-2011-4151.
Weakness: CWE-20
Which versions are affected by CVE-2011-1528?
It affects 1 product.
Products include Mit Kerberos 5.
How do I fix CVE-2011-1528?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-1528 being exploited?
There is no known exploitation of CVE-2011-1528 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as DEBIAN-CVE-2011-1528, GHSA-hxvv-vjx9-wj2m.