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AUSCERT External Security Bulletin Redistribution
ESB-2016.1057
Important: mercurial security update
3 May 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: mercurial
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux WS/Desktop 7
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-3069 CVE-2016-3068
Reference: ESB-2016.0860
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2016-0706.html
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Red Hat Security Advisory
Synopsis: Important: mercurial security update
Advisory ID: RHSA-2016:0706-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0706.html
Issue date: 2016-05-02
CVE Names: CVE-2016-3068 CVE-2016-3069
=====================================================================
1. Summary:
An update for mercurial is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
Mercurial is a fast, lightweight source control management system designed
for efficient handling of very large distributed projects.
Security Fix(es):
* It was discovered that Mercurial failed to properly check Git
sub-repository URLs. A Mercurial repository that includes a Git
sub-repository with a specially crafted URL could cause Mercurial to
execute arbitrary code. (CVE-2016-3068)
* It was discovered that the Mercurial convert extension failed to sanitize
special characters in Git repository names. A Git repository with a
specially crafted name could cause Mercurial to execute arbitrary code when
the Git repository was converted to a Mercurial repository. (CVE-2016-3069)
Red Hat would like to thank Blake Burkhart for reporting these issues.
4. Solution:
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1319768 - CVE-2016-3068 mercurial: command injection via git subrepository urls
1320155 - CVE-2016-3069 mercurial: convert extension command injection via git repository names
6. Package List:
Red Hat Enterprise Linux Client Optional (v. 7):
Source:
mercurial-2.6.2-6.el7_2.src.rpm
x86_64:
emacs-mercurial-2.6.2-6.el7_2.x86_64.rpm
emacs-mercurial-el-2.6.2-6.el7_2.x86_64.rpm
mercurial-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
mercurial-hgk-2.6.2-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source:
mercurial-2.6.2-6.el7_2.src.rpm
x86_64:
emacs-mercurial-2.6.2-6.el7_2.x86_64.rpm
emacs-mercurial-el-2.6.2-6.el7_2.x86_64.rpm
mercurial-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
mercurial-hgk-2.6.2-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
mercurial-2.6.2-6.el7_2.src.rpm
ppc64:
mercurial-2.6.2-6.el7_2.ppc64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.ppc64.rpm
ppc64le:
mercurial-2.6.2-6.el7_2.ppc64le.rpm
mercurial-debuginfo-2.6.2-6.el7_2.ppc64le.rpm
s390x:
mercurial-2.6.2-6.el7_2.s390x.rpm
mercurial-debuginfo-2.6.2-6.el7_2.s390x.rpm
x86_64:
mercurial-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64:
emacs-mercurial-2.6.2-6.el7_2.ppc64.rpm
emacs-mercurial-el-2.6.2-6.el7_2.ppc64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.ppc64.rpm
mercurial-hgk-2.6.2-6.el7_2.ppc64.rpm
ppc64le:
emacs-mercurial-2.6.2-6.el7_2.ppc64le.rpm
emacs-mercurial-el-2.6.2-6.el7_2.ppc64le.rpm
mercurial-debuginfo-2.6.2-6.el7_2.ppc64le.rpm
mercurial-hgk-2.6.2-6.el7_2.ppc64le.rpm
s390x:
emacs-mercurial-2.6.2-6.el7_2.s390x.rpm
emacs-mercurial-el-2.6.2-6.el7_2.s390x.rpm
mercurial-debuginfo-2.6.2-6.el7_2.s390x.rpm
mercurial-hgk-2.6.2-6.el7_2.s390x.rpm
x86_64:
emacs-mercurial-2.6.2-6.el7_2.x86_64.rpm
emacs-mercurial-el-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
mercurial-hgk-2.6.2-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
mercurial-2.6.2-6.el7_2.src.rpm
x86_64:
mercurial-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
emacs-mercurial-2.6.2-6.el7_2.x86_64.rpm
emacs-mercurial-el-2.6.2-6.el7_2.x86_64.rpm
mercurial-debuginfo-2.6.2-6.el7_2.x86_64.rpm
mercurial-hgk-2.6.2-6.el7_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2016-3068
https://access.redhat.com/security/cve/CVE-2016-3069
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2016 Red Hat, Inc.
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