CVE-2011-1527

Publication date 18 October 2011

Last updated 24 July 2024

Ubuntu priority

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
krb5	11.10 oneiric	Fixed 1.9.1+dfsg-1ubuntu1.1
	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not affected
	8.04 LTS hardy	Not affected

Notes

sbeattie

CRD Tuesday, 18 October 2011, at 14:00 US/Eastern time krb5 1.9 only

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)