Sigurnosni nedostaci programskog paketa pcre

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Red Hat Security Advisory

Synopsis: Important: pcre security update
Advisory ID: RHSA-2016:1025-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1025.html
Issue date: 2016-05-11
CVE Names: CVE-2015-2328 CVE-2015-3217 CVE-2015-5073
CVE-2015-8385 CVE-2015-8386 CVE-2015-8388
CVE-2015-8391 CVE-2016-3191
=====================================================================

1. Summary:

An update for pcre 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 (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, 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:

PCRE is a Perl-compatible regular expression library.

Security Fix(es):

* Multiple flaws were found in the way PCRE handled malformed regular
expressions. An attacker able to make an application using PCRE process a
specially crafted regular expression could use these flaws to cause the
application to crash or, possibly, execute arbitrary code. (CVE-2015-8385,
CVE-2016-3191, CVE-2015-2328, CVE-2015-3217, CVE-2015-5073, CVE-2015-8388,
CVE-2015-8391, CVE-2015-8386)

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/):

1228283 – CVE-2015-3217 pcre: stack overflow caused by mishandled group empty match (8.38/11)
1237223 – CVE-2015-5073 CVE-2015-8388 pcre: buffer overflow for forward reference within backward assertion with excess closing parenthesis (8.38/18)
1285399 – CVE-2015-2328 pcre: infinite recursion compiling pattern with recursive reference in a group with indefinite repeat (8.36/20)
1287629 – CVE-2015-8385 pcre: buffer overflow caused by named forward reference to duplicate group number (8.38/30)
1287636 – CVE-2015-8386 pcre: Buffer overflow caused by lookbehind assertion (8.38/6)
1287671 – CVE-2015-8391 pcre: inefficient posix character class syntax check (8.38/16)
1311503 – CVE-2016-3191 pcre: workspace overflow for (*ACCEPT) with deeply nested parentheses (8.39/13, 10.22/12)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
pcre-8.32-15.el7_2.1.src.rpm

x86_64:
pcre-8.32-15.el7_2.1.i686.rpm
pcre-8.32-15.el7_2.1.x86_64.rpm
pcre-debuginfo-8.32-15.el7_2.1.i686.rpm
pcre-debuginfo-8.32-15.el7_2.1.x86_64.rpm

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

x86_64:
pcre-debuginfo-8.32-15.el7_2.1.i686.rpm
pcre-debuginfo-8.32-15.el7_2.1.x86_64.rpm
pcre-devel-8.32-15.el7_2.1.i686.rpm
pcre-devel-8.32-15.el7_2.1.x86_64.rpm
pcre-static-8.32-15.el7_2.1.i686.rpm
pcre-static-8.32-15.el7_2.1.x86_64.rpm
pcre-tools-8.32-15.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
pcre-8.32-15.el7_2.1.src.rpm

x86_64:
pcre-8.32-15.el7_2.1.i686.rpm
pcre-8.32-15.el7_2.1.x86_64.rpm
pcre-debuginfo-8.32-15.el7_2.1.i686.rpm
pcre-debuginfo-8.32-15.el7_2.1.x86_64.rpm

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

Red Hat Enterprise Linux Server (v. 7):

Source:
pcre-8.32-15.el7_2.1.src.rpm

ppc64:
pcre-8.32-15.el7_2.1.ppc.rpm
pcre-8.32-15.el7_2.1.ppc64.rpm
pcre-debuginfo-8.32-15.el7_2.1.ppc.rpm
pcre-debuginfo-8.32-15.el7_2.1.ppc64.rpm
pcre-devel-8.32-15.el7_2.1.ppc.rpm
pcre-devel-8.32-15.el7_2.1.ppc64.rpm

ppc64le:
pcre-8.32-15.el7_2.1.ppc64le.rpm
pcre-debuginfo-8.32-15.el7_2.1.ppc64le.rpm
pcre-devel-8.32-15.el7_2.1.ppc64le.rpm

s390x:
pcre-8.32-15.el7_2.1.s390.rpm
pcre-8.32-15.el7_2.1.s390x.rpm
pcre-debuginfo-8.32-15.el7_2.1.s390.rpm
pcre-debuginfo-8.32-15.el7_2.1.s390x.rpm
pcre-devel-8.32-15.el7_2.1.s390.rpm
pcre-devel-8.32-15.el7_2.1.s390x.rpm

x86_64:
pcre-8.32-15.el7_2.1.i686.rpm
pcre-8.32-15.el7_2.1.x86_64.rpm
pcre-debuginfo-8.32-15.el7_2.1.i686.rpm
pcre-debuginfo-8.32-15.el7_2.1.x86_64.rpm
pcre-devel-8.32-15.el7_2.1.i686.rpm
pcre-devel-8.32-15.el7_2.1.x86_64.rpm

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

ppc64:
pcre-debuginfo-8.32-15.el7_2.1.ppc.rpm
pcre-debuginfo-8.32-15.el7_2.1.ppc64.rpm
pcre-static-8.32-15.el7_2.1.ppc.rpm
pcre-static-8.32-15.el7_2.1.ppc64.rpm
pcre-tools-8.32-15.el7_2.1.ppc64.rpm

ppc64le:
pcre-debuginfo-8.32-15.el7_2.1.ppc64le.rpm
pcre-static-8.32-15.el7_2.1.ppc64le.rpm
pcre-tools-8.32-15.el7_2.1.ppc64le.rpm

s390x:
pcre-debuginfo-8.32-15.el7_2.1.s390.rpm
pcre-debuginfo-8.32-15.el7_2.1.s390x.rpm
pcre-static-8.32-15.el7_2.1.s390.rpm
pcre-static-8.32-15.el7_2.1.s390x.rpm
pcre-tools-8.32-15.el7_2.1.s390x.rpm

x86_64:
pcre-debuginfo-8.32-15.el7_2.1.i686.rpm
pcre-debuginfo-8.32-15.el7_2.1.x86_64.rpm
pcre-static-8.32-15.el7_2.1.i686.rpm
pcre-static-8.32-15.el7_2.1.x86_64.rpm
pcre-tools-8.32-15.el7_2.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
pcre-8.32-15.el7_2.1.src.rpm

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

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-2015-2328
https://access.redhat.com/security/cve/CVE-2015-3217
https://access.redhat.com/security/cve/CVE-2015-5073
https://access.redhat.com/security/cve/CVE-2015-8385
https://access.redhat.com/security/cve/CVE-2015-8386
https://access.redhat.com/security/cve/CVE-2015-8388
https://access.redhat.com/security/cve/CVE-2015-8391
https://access.redhat.com/security/cve/CVE-2016-3191
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/

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