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Sicherheit: Denial of Service in PCRE
Aktuelle Meldungen Distributionen
Name: Denial of Service in PCRE
ID: RHSA-2015:0330-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 5. März 2015, 22:31
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8964

Originalnachricht

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

Synopsis: Low: pcre security and enhancement update
Advisory ID: RHSA-2015:0330-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0330.html
Issue date: 2015-03-05
CVE Names: CVE-2014-8964
=====================================================================

1. Summary:

Updated pcre packages that fix one security issue and add one enhancement
are now available for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Low security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

3. Description:

PCRE is a Perl-compatible regular expression library.

A flaw was found in the way PCRE handled certain malformed regular
expressions. This issue could cause an application (for example, Konqueror)
linked against PCRE to crash while parsing malicious regular expressions.
(CVE-2014-8964)

This update also adds the following enhancement:

* Support for the little-endian variant of IBM Power Systems has been added
to the pcre packages. (BZ#1123498, BZ#1125642)

All pcre users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue and add this enhancement.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1166147 - CVE-2014-8964 pcre: incorrect handling of zero-repeat assertion
conditions

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
pcre-8.32-14.el7.src.rpm

x86_64:
pcre-8.32-14.el7.i686.rpm
pcre-8.32-14.el7.x86_64.rpm
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm

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

x86_64:
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-devel-8.32-14.el7.i686.rpm
pcre-devel-8.32-14.el7.x86_64.rpm
pcre-static-8.32-14.el7.i686.rpm
pcre-static-8.32-14.el7.x86_64.rpm
pcre-tools-8.32-14.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
pcre-8.32-14.el7.src.rpm

x86_64:
pcre-8.32-14.el7.i686.rpm
pcre-8.32-14.el7.x86_64.rpm
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm

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

x86_64:
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-devel-8.32-14.el7.i686.rpm
pcre-devel-8.32-14.el7.x86_64.rpm
pcre-static-8.32-14.el7.i686.rpm
pcre-static-8.32-14.el7.x86_64.rpm
pcre-tools-8.32-14.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
pcre-8.32-14.el7.src.rpm

ppc64:
pcre-8.32-14.el7.ppc.rpm
pcre-8.32-14.el7.ppc64.rpm
pcre-debuginfo-8.32-14.el7.ppc.rpm
pcre-debuginfo-8.32-14.el7.ppc64.rpm
pcre-devel-8.32-14.el7.ppc.rpm
pcre-devel-8.32-14.el7.ppc64.rpm

s390x:
pcre-8.32-14.el7.s390.rpm
pcre-8.32-14.el7.s390x.rpm
pcre-debuginfo-8.32-14.el7.s390.rpm
pcre-debuginfo-8.32-14.el7.s390x.rpm
pcre-devel-8.32-14.el7.s390.rpm
pcre-devel-8.32-14.el7.s390x.rpm

x86_64:
pcre-8.32-14.el7.i686.rpm
pcre-8.32-14.el7.x86_64.rpm
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-devel-8.32-14.el7.i686.rpm
pcre-devel-8.32-14.el7.x86_64.rpm

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

ppc64:
pcre-debuginfo-8.32-14.el7.ppc.rpm
pcre-debuginfo-8.32-14.el7.ppc64.rpm
pcre-static-8.32-14.el7.ppc.rpm
pcre-static-8.32-14.el7.ppc64.rpm
pcre-tools-8.32-14.el7.ppc64.rpm

s390x:
pcre-debuginfo-8.32-14.el7.s390.rpm
pcre-debuginfo-8.32-14.el7.s390x.rpm
pcre-static-8.32-14.el7.s390.rpm
pcre-static-8.32-14.el7.s390x.rpm
pcre-tools-8.32-14.el7.s390x.rpm

x86_64:
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-static-8.32-14.el7.i686.rpm
pcre-static-8.32-14.el7.x86_64.rpm
pcre-tools-8.32-14.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
pcre-8.32-14.el7.src.rpm

x86_64:
pcre-8.32-14.el7.i686.rpm
pcre-8.32-14.el7.x86_64.rpm
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-devel-8.32-14.el7.i686.rpm
pcre-devel-8.32-14.el7.x86_64.rpm

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

x86_64:
pcre-debuginfo-8.32-14.el7.i686.rpm
pcre-debuginfo-8.32-14.el7.x86_64.rpm
pcre-static-8.32-14.el7.i686.rpm
pcre-static-8.32-14.el7.x86_64.rpm
pcre-tools-8.32-14.el7.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-2014-8964
https://access.redhat.com/security/updates/classification/#low

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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