CVE-2011-1529

Publication date 18 October 2011

Last updated 24 July 2024

Ubuntu priority

The lookup_lockout_policy 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 process_as_req errors.

From the Ubuntu Security Team

sbeattie> CRD Tuesday, 18 October 2011, at 14:00 US/Eastern time sbeattie> 1.8 and 1.9 only

Status

Show unmaintained releases

Package	Ubuntu Release	Status
krb5	11.10 oneiric	Fixed 1.9.1+dfsg-1ubuntu1.1
	11.04 natty	Fixed 1.8.3+dfsg-5ubuntu2.2
	10.10 maverick	Fixed 1.8.1+dfsg-5ubuntu0.8
	10.04 LTS lucid	Fixed 1.8.1+dfsg-2ubuntu0.10
	8.04 LTS hardy	Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
krb5	Upstream: http://web.mit.edu/kerberos/advisories/2011-006-patch-r18.txt

References

Related Ubuntu Security Notices (USN)