Input validation error in Mercurial - CVE-2015-7545
Published: April 13, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32315
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-7545
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Mercurial
Mercurial
Software vendor:
Mercurial
Mercurial
Description
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The (1) git-remote-ext and (2) unspecified other remote helper programs in Git before 2.3.10, 2.4.x before 2.4.10, 2.5.x before 2.5.4, and 2.6.x before 2.6.1 do not properly restrict the allowed protocols, which might allow remote attackers to execute arbitrary code via a URL in a (a) .gitmodules file or (b) unknown other sources in a submodule.
Remediation
Install update from vendor's website.
External links
- http://lists.opensuse.org/opensuse-updates/2015-11/msg00066.html
- http://rhn.redhat.com/errata/RHSA-2015-2515.html
- http://www.debian.org/security/2016/dsa-3435
- http://www.openwall.com/lists/oss-security/2015/12/08/5
- http://www.openwall.com/lists/oss-security/2015/12/09/8
- http://www.openwall.com/lists/oss-security/2015/12/11/7
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/78711
- http://www.securitytracker.com/id/1034501
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.533255
- http://www.ubuntu.com/usn/USN-2835-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1269794
- https://github.com/git/git/blob/master/Documentation/RelNotes/2.3.10.txt
- https://github.com/git/git/blob/master/Documentation/RelNotes/2.4.10.txt
- https://github.com/git/git/blob/master/Documentation/RelNotes/2.5.4.txt
- https://github.com/git/git/blob/master/Documentation/RelNotes/2.6.1.txt
- https://kernel.googlesource.com/pub/scm/git/git/+/33cfccbbf35a56e190b79bdec5c85457c952a021
- https://lkml.org/lkml/2015/10/5/683
- https://security.gentoo.org/glsa/201605-01