Red Hat Security Advisory 2017-1576-01 - Mercurial is a fast, lightweight source control management system designed for efficient handling of very large distributed projects. Security Fix: A flaw was found in the way "hg serve --stdio" command in Mercurial handled command-line options. A remote, authenticated attacker could use this flaw to execute arbitrary code on the Mercurial server by using specially crafted command-line options.
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Red Hat Security Advisory
Synopsis: Important: mercurial security update
Advisory ID: RHSA-2017:1576-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:1576
Issue date: 2017-06-27
CVE Names: CVE-2017-9462
=====================================================================
1. Summary:
An update for mercurial is now available for Red Hat Enterprise Linux 6 and
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 Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, 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):
* A flaw was found in the way "hg serve --stdio" command in Mercurial
handled command-line options. A remote, authenticated attacker could use
this flaw to execute arbitrary code on the Mercurial server by using
specially crafted command-line options. (CVE-2017-9462)
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/):
1459482 - CVE-2017-9462 mercurial: Python debugger accessible to authorized users
6. Package List:
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
mercurial-1.4-5.el6_9.src.rpm
i386:
emacs-mercurial-1.4-5.el6_9.i686.rpm
emacs-mercurial-el-1.4-5.el6_9.i686.rpm
mercurial-1.4-5.el6_9.i686.rpm
mercurial-debuginfo-1.4-5.el6_9.i686.rpm
mercurial-hgk-1.4-5.el6_9.i686.rpm
x86_64:
emacs-mercurial-1.4-5.el6_9.x86_64.rpm
emacs-mercurial-el-1.4-5.el6_9.x86_64.rpm
mercurial-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
mercurial-hgk-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
mercurial-1.4-5.el6_9.src.rpm
x86_64:
emacs-mercurial-1.4-5.el6_9.x86_64.rpm
emacs-mercurial-el-1.4-5.el6_9.x86_64.rpm
mercurial-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
mercurial-hgk-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
mercurial-1.4-5.el6_9.src.rpm
i386:
mercurial-1.4-5.el6_9.i686.rpm
mercurial-debuginfo-1.4-5.el6_9.i686.rpm
ppc64:
mercurial-1.4-5.el6_9.ppc64.rpm
mercurial-debuginfo-1.4-5.el6_9.ppc64.rpm
s390x:
mercurial-1.4-5.el6_9.s390x.rpm
mercurial-debuginfo-1.4-5.el6_9.s390x.rpm
x86_64:
mercurial-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386:
emacs-mercurial-1.4-5.el6_9.i686.rpm
emacs-mercurial-el-1.4-5.el6_9.i686.rpm
mercurial-debuginfo-1.4-5.el6_9.i686.rpm
mercurial-hgk-1.4-5.el6_9.i686.rpm
ppc64:
emacs-mercurial-1.4-5.el6_9.ppc64.rpm
emacs-mercurial-el-1.4-5.el6_9.ppc64.rpm
mercurial-debuginfo-1.4-5.el6_9.ppc64.rpm
mercurial-hgk-1.4-5.el6_9.ppc64.rpm
s390x:
emacs-mercurial-1.4-5.el6_9.s390x.rpm
emacs-mercurial-el-1.4-5.el6_9.s390x.rpm
mercurial-debuginfo-1.4-5.el6_9.s390x.rpm
mercurial-hgk-1.4-5.el6_9.s390x.rpm
x86_64:
emacs-mercurial-1.4-5.el6_9.x86_64.rpm
emacs-mercurial-el-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
mercurial-hgk-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
mercurial-1.4-5.el6_9.src.rpm
i386:
mercurial-1.4-5.el6_9.i686.rpm
mercurial-debuginfo-1.4-5.el6_9.i686.rpm
x86_64:
mercurial-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386:
emacs-mercurial-1.4-5.el6_9.i686.rpm
emacs-mercurial-el-1.4-5.el6_9.i686.rpm
mercurial-debuginfo-1.4-5.el6_9.i686.rpm
mercurial-hgk-1.4-5.el6_9.i686.rpm
x86_64:
emacs-mercurial-1.4-5.el6_9.x86_64.rpm
emacs-mercurial-el-1.4-5.el6_9.x86_64.rpm
mercurial-debuginfo-1.4-5.el6_9.x86_64.rpm
mercurial-hgk-1.4-5.el6_9.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
Source:
mercurial-2.6.2-7.el7_3.src.rpm
x86_64:
emacs-mercurial-2.6.2-7.el7_3.x86_64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.x86_64.rpm
mercurial-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
mercurial-hgk-2.6.2-7.el7_3.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
Source:
mercurial-2.6.2-7.el7_3.src.rpm
x86_64:
emacs-mercurial-2.6.2-7.el7_3.x86_64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.x86_64.rpm
mercurial-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
mercurial-hgk-2.6.2-7.el7_3.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
mercurial-2.6.2-7.el7_3.src.rpm
aarch64:
mercurial-2.6.2-7.el7_3.aarch64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.aarch64.rpm
ppc64:
mercurial-2.6.2-7.el7_3.ppc64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.ppc64.rpm
ppc64le:
mercurial-2.6.2-7.el7_3.ppc64le.rpm
mercurial-debuginfo-2.6.2-7.el7_3.ppc64le.rpm
s390x:
mercurial-2.6.2-7.el7_3.s390x.rpm
mercurial-debuginfo-2.6.2-7.el7_3.s390x.rpm
x86_64:
mercurial-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
aarch64:
emacs-mercurial-2.6.2-7.el7_3.aarch64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.aarch64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.aarch64.rpm
mercurial-hgk-2.6.2-7.el7_3.aarch64.rpm
ppc64:
emacs-mercurial-2.6.2-7.el7_3.ppc64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.ppc64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.ppc64.rpm
mercurial-hgk-2.6.2-7.el7_3.ppc64.rpm
ppc64le:
emacs-mercurial-2.6.2-7.el7_3.ppc64le.rpm
emacs-mercurial-el-2.6.2-7.el7_3.ppc64le.rpm
mercurial-debuginfo-2.6.2-7.el7_3.ppc64le.rpm
mercurial-hgk-2.6.2-7.el7_3.ppc64le.rpm
s390x:
emacs-mercurial-2.6.2-7.el7_3.s390x.rpm
emacs-mercurial-el-2.6.2-7.el7_3.s390x.rpm
mercurial-debuginfo-2.6.2-7.el7_3.s390x.rpm
mercurial-hgk-2.6.2-7.el7_3.s390x.rpm
x86_64:
emacs-mercurial-2.6.2-7.el7_3.x86_64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
mercurial-hgk-2.6.2-7.el7_3.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
mercurial-2.6.2-7.el7_3.src.rpm
x86_64:
mercurial-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
emacs-mercurial-2.6.2-7.el7_3.x86_64.rpm
emacs-mercurial-el-2.6.2-7.el7_3.x86_64.rpm
mercurial-debuginfo-2.6.2-7.el7_3.x86_64.rpm
mercurial-hgk-2.6.2-7.el7_3.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-2017-9462
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 2017 Red Hat, Inc.
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