The get_user_grouplist function in the extdom plug-in in FreeIPA before 4.1.4 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service (crash) via a group list request for a user that belongs to a large number of groups.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-1827
Reference (s):
- BID:73376
- URL: http://www.securityfocus.com/bid/73376
- https://bugzilla.redhat.com/show_bug.cgi?id=1205200
- https://fedorahosted.org/freeipa/ticket/4908
- FEDORA:FEDORA-2015-4747