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Sicherheit: Zwei Probleme in Mercurial
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in Mercurial
ID: RHSA-2017:2489-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 17. August 2017, 15:15
Referenzen: https://access.redhat.com/security/cve/CVE-2017-1000116
https://access.redhat.com/security/cve/CVE-2017-1000115

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Important: mercurial security update
Advisory ID: RHSA-2017:2489-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:2489
Issue date: 2017-08-17
CVE Names: CVE-2017-1000115 CVE-2017-1000116
=====================================================================

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) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, 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):

* A vulnerability was found in the way Mercurial handles path auditing and
caches the results. An attacker could abuse a repository with a series of
commits mixing symlinks and regular files/directories to trick Mercurial
into writing outside of a given repository. (CVE-2017-1000115)

* A shell command injection flaw related to the handling of "ssh" URLs
has
been discovered in Mercurial. This can be exploited to execute shell
commands with the privileges of the user running the Mercurial client, for
example, when performing a "checkout" or "update" action on a
sub-repository within a malicious repository or a legitimate repository
containing a malicious commit. (CVE-2017-1000116)

Red Hat would like to thank the Mercurial Security Team for reporting
CVE-2017-1000115 and the Subversion Team for reporting CVE-2017-1000116.

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/):

1479915 - CVE-2017-1000116 mercurial: command injection on clients through
malicious ssh URLs
1480330 - CVE-2017-1000115 Mercurial: pathaudit: path traversal via symlink

6. Package List:

Red Hat Enterprise Linux Client Optional (v. 7):

Source:
mercurial-2.6.2-8.el7_4.src.rpm

x86_64:
emacs-mercurial-2.6.2-8.el7_4.x86_64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.x86_64.rpm
mercurial-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm
mercurial-hgk-2.6.2-8.el7_4.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

Source:
mercurial-2.6.2-8.el7_4.src.rpm

x86_64:
emacs-mercurial-2.6.2-8.el7_4.x86_64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.x86_64.rpm
mercurial-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm
mercurial-hgk-2.6.2-8.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
mercurial-2.6.2-8.el7_4.src.rpm

aarch64:
mercurial-2.6.2-8.el7_4.aarch64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.aarch64.rpm

ppc64:
mercurial-2.6.2-8.el7_4.ppc64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.ppc64.rpm

ppc64le:
mercurial-2.6.2-8.el7_4.ppc64le.rpm
mercurial-debuginfo-2.6.2-8.el7_4.ppc64le.rpm

s390x:
mercurial-2.6.2-8.el7_4.s390x.rpm
mercurial-debuginfo-2.6.2-8.el7_4.s390x.rpm

x86_64:
mercurial-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

aarch64:
emacs-mercurial-2.6.2-8.el7_4.aarch64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.aarch64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.aarch64.rpm
mercurial-hgk-2.6.2-8.el7_4.aarch64.rpm

ppc64:
emacs-mercurial-2.6.2-8.el7_4.ppc64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.ppc64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.ppc64.rpm
mercurial-hgk-2.6.2-8.el7_4.ppc64.rpm

ppc64le:
emacs-mercurial-2.6.2-8.el7_4.ppc64le.rpm
emacs-mercurial-el-2.6.2-8.el7_4.ppc64le.rpm
mercurial-debuginfo-2.6.2-8.el7_4.ppc64le.rpm
mercurial-hgk-2.6.2-8.el7_4.ppc64le.rpm

s390x:
emacs-mercurial-2.6.2-8.el7_4.s390x.rpm
emacs-mercurial-el-2.6.2-8.el7_4.s390x.rpm
mercurial-debuginfo-2.6.2-8.el7_4.s390x.rpm
mercurial-hgk-2.6.2-8.el7_4.s390x.rpm

x86_64:
emacs-mercurial-2.6.2-8.el7_4.x86_64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm
mercurial-hgk-2.6.2-8.el7_4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
mercurial-2.6.2-8.el7_4.src.rpm

x86_64:
mercurial-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

x86_64:
emacs-mercurial-2.6.2-8.el7_4.x86_64.rpm
emacs-mercurial-el-2.6.2-8.el7_4.x86_64.rpm
mercurial-debuginfo-2.6.2-8.el7_4.x86_64.rpm
mercurial-hgk-2.6.2-8.el7_4.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-2017-1000115
https://access.redhat.com/security/cve/CVE-2017-1000116
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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