CVE-2015-1827
First published: Tue Mar 24 2015(Updated: )
It was discovered that the IPA extdom Directory Server plug-in did not correctly perform memory reallocation when handling user account information. A request for a list of groups for a user that belongs to a large number of groups would cause a Directory Server to crash. Acknowledgements: This issue was discovered by Sumit Bose of Red Hat.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Red Hat FreeIPA | <=4.1.3 | |
| Red Hat Fedora | =21 | |
| Red Hat Fedora | =22 |
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Reference Links
- https://fedorahosted.org/freeipa/ticket/4908
- https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=8c89807b112585d85c1941d3d58b546e79ea2409
- https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=50c8f0c80175c7812bb523ab2387b19a94245b59
- https://git.fedorahosted.org/cgit/freeipa.git/commit/?id=c15a407cbfaed163a933ab137eed16387efe25d2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1206047
- https://rhn.redhat.com/errata/RHSA-2015-0728.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1205200
- 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
Frequently Asked Questions
What is the severity of CVE-2015-1827?
CVE-2015-1827 has a medium severity rating as it can cause a denial of service for the Directory Server.
How do I fix CVE-2015-1827?
To mitigate CVE-2015-1827, upgrade FreeIPA to a version later than 4.1.3.
Which software is affected by CVE-2015-1827?
CVE-2015-1827 affects FreeIPA versions up to and including 4.1.3 and specific versions of Fedora 21 and 22.
What exploit does CVE-2015-1827 expose in the Directory Server?
CVE-2015-1827 exposes the Directory Server to a crash due to improper memory reallocation when handling requests for users in large groups.
Is there a workaround for CVE-2015-1827?
There are no documented workarounds for CVE-2015-1827; the recommended action is to apply the necessary updates.
- collector/redhat-bugzilla
- alias/CVE-2015-1827
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- agent/event
- agent/tags
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- vendor/freeipa
- canonical/red hat freeipa
- version/red hat freeipa/4.1.3
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/21
- version/red hat fedora/22