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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freeipa | Freeipa | * | 4.1.3 (including) |
| Red Hat Enterprise Linux 7 | RedHat | ipa-0:4.1.0-18.el7_1.3 | * |
| Red Hat Enterprise Linux 7 | RedHat | slapi-nis-0:0.54-3.el7_1 | * |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154314.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/154103.html
- http://rhn.redhat.com/errata/RHSA-2015-0728.html
- http://www.securityfocus.com/bid/73376
- https://bugzilla.redhat.com/show_bug.cgi?id=1205200
- https://fedorahosted.org/freeipa/ticket/4908
- http://lists.fedoraproject.org/pipermail/package-announce/2015-April/154314.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-March/154103.html
- http://rhn.redhat.com/errata/RHSA-2015-0728.html
- http://www.securityfocus.com/bid/73376
- https://bugzilla.redhat.com/show_bug.cgi?id=1205200
- https://fedorahosted.org/freeipa/ticket/4908