SB2016041311 - Data Handling in Mercurial
Published: April 13, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016041311
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Data Handling (CVE-ID: CVE-2016-3630)
CWE-ID: CWE-19 - Data Handling
CVSSv4: 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]
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a (1) clone, (2) push, or (3) pull command, related to (a) a list sizing rounding error and (b) short records.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181505.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181542.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00043.html
- http://www.debian.org/security/2016/dsa-3542
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- https://security.gentoo.org/glsa/201612-19
- https://selenic.com/repo/hg-stable/rev/b6ed2505d6cf
- https://selenic.com/repo/hg-stable/rev/b9714d958e89
- https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.7.3_.282016-3-29.29