CVE-2009-3736

Severity: medium (CVSS 6.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-11-29 · updated 2026-06-16

Description

ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to open a .la file in the current working directory, which allows local users to gain privileges via a Trojan horse file.

Affected products

GNU Libtool: 1.5, 1.5.2, 1.5.4, 1.5.6, 1.5.8, 1.5.10 (+9)

References

http://git.savannah.gnu.org/cgit/libtool.git/commit/?h=branch-1-5&id=29b48580df75f0c5baa2962548a4c101ec7ed7ec
http://hamlib.svn.sourceforge.net/viewvc/hamlib/trunk/libltdl/Makefile.am?revision=2841&view=markup
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035133.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035168.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054656.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054915.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/054921.html
http://lists.gnu.org/archive/html/libtool/2009-11/msg00059.html
http://lists.gnu.org/archive/html/libtool/2009-11/msg00065.html
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html

Get alerted when CVE-2009-3736 or the next vulnerability affects your stack