Improper access control in Mercurial - CVE-2016-3105
Published: May 9, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32285
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-3105
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The convert extension in Mercurial before 3.8 might allow context-dependent attackers to execute arbitrary code via a crafted git repository name.
Affected software
Mercurial
libidn (Alpine package)
mercurial (Alpine package)
Slackware Linux
libidn (Alpine package)
mercurial (Alpine package)
Slackware Linux
How to mitigate CVE-2016-3105
Install update from vendor's website.
Mercurial - update to 3.8
libidn (Alpine package) - update to 1.31-r0
mercurial (Alpine package) - update to 3.4-r3
libidn (Alpine package) - update to 1.31-r0
mercurial (Alpine package) - update to 3.4-r3
External References
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00082.html
- http://www.debian.org/security/2016/dsa-3570
- http://www.securityfocus.com/bid/90536
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.533255
- https://security.gentoo.org/glsa/201612-19
- https://selenic.com/hg/rev/a56296f55a5e
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.8_.2F_3.8.1_.282016-5-1.29