CVE-2015-2675: Buffer Overflow
First published: Thu Mar 05 2015(Updated: )
It was reported [1] that the OAuth implementation in librest, a helper library for RESTful services part of the GNOME project, incorrectly truncates the pointer returned by the rest_proxy_call_get_url function call, leading to an application crash, or worse. Upstream bug: <a href="https://bugzilla.gnome.org/show_bug.cgi?id=742644">https://bugzilla.gnome.org/show_bug.cgi?id=742644</a> Commit: <a href="https://git.gnome.org/browse/librest/commit/?id=b50ace7738ea038">https://git.gnome.org/browse/librest/commit/?id=b50ace7738ea038</a> [1]: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED ERRATA - Memory corruption when using oauth because of implicit declaration of rest_proxy_call_get_url" href="show_bug.cgi?id=1183982">https://bugzilla.redhat.com/show_bug.cgi?id=1183982</a>
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gnome Librest | =0.7.92 |
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Reference Links
- https://bugzilla.gnome.org/show_bug.cgi?id=742644
- https://git.gnome.org/browse/librest/commit/?id=b50ace7738ea038
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1183982
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1204682
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1199049#c2
- https://bugzilla.gnome.org/show_bug.cgi?id=742644#c2
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1199049#c3
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1199049#c5
- https://rhn.redhat.com/errata/RHSA-2015-2237.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1199049
- http://rhn.redhat.com/errata/RHSA-2015-2237.html
- http://www.openwall.com/lists/oss-security/2015/03/23/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1183982
- https://git.gnome.org/browse/librest/commit/?id=b50ace7738ea03817acdad87fb2b338a86018329
Frequently Asked Questions
What is the severity of CVE-2015-2675?
CVE-2015-2675 has a medium severity rating due to the potential for application crashes.
How does CVE-2015-2675 affect applications using librest?
CVE-2015-2675 causes applications using the affected version of librest to crash when incorrect URL handling occurs.
What is the affected version of librest for CVE-2015-2675?
The specific affected version for CVE-2015-2675 is librest 0.7.92.
How do I fix CVE-2015-2675?
To mitigate CVE-2015-2675, update librest to a version that contains the patch for this vulnerability.
Are there any specific workarounds for CVE-2015-2675?
Currently, there are no known workarounds for CVE-2015-2675 other than updating to a patched version.
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