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Category:   Application (Generic)  >   Apache Xerces Vendors:   Apache Software Foundation
(Red Hat Issues Fix) Apache Xerces-C Buffer Overflow Lets Remote Users Deny Service or Potentially Execute Arbitrary Code
SecurityTracker Alert ID:  1035253
SecurityTracker URL:  http://securitytracker.com/id/1035253
CVE Reference:   CVE-2016-0729   (Links to External Site)
Date:  Mar 11 2016
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 3.1.3
Description:   A vulnerability was reported in Apache Xerces-C. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted documents to trigger a buffer overflow in the XML parser library and cause the target application to crash or potentially execute arbitrary code on the target system.

Gustavo Grieco reported this vulnerability.

Impact:   A remote user can cause the target application to crash or potentially execute arbitrary code.
Solution:   Red Hat has issued a fix.

The Red Hat advisory is available at:

https://rhn.redhat.com/errata/RHSA-2016-0430.html

Vendor URL:  rhn.redhat.com/errata/RHSA-2016-0430.html (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Red Hat Enterprise)
Underlying OS Comments:  7

Message History:   This archive entry is a follow-up to the message listed below.
Feb 26 2016 Apache Xerces-C Buffer Overflow Lets Remote Users Deny Service or Potentially Execute Arbitrary Code



 Source Message Contents

Subject:  [RHSA-2016:0430-01] Important: xerces-c security update

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

Synopsis:          Important: xerces-c security update
Advisory ID:       RHSA-2016:0430-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2016-0430.html
Issue date:        2016-03-10
CVE Names:         CVE-2016-0729 
=====================================================================

1. Summary:

Updated xerces-c packages that fix one security issue are now available
for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having Important 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 Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

3. Description:

Xerces-C is a validating XML parser written in a portable subset of C++.

It was discovered that the Xerces-C XML parser did not properly process
certain XML input. By providing specially crafted XML data to an
application using Xerces-C for XML processing, a remote attacker could
exploit this flaw to cause an application crash or, possibly, execute
arbitrary code with the privileges of the application. (CVE-2016-0729)

Red Hat would like to thank Gustavo Grieco for reporting this issue.

All xerces-c users are advised to upgrade to these updated packages, which
contain a backported patch to correct this issue. After installing the
update, all applications using Xerces-C must be restarted for the update
to take effect.

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/):

1312231 - CVE-2016-0729 xerces-c: parser crashes on malformed input

6. Package List:

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

Source:
xerces-c-3.1.1-8.el7_2.src.rpm

noarch:
xerces-c-doc-3.1.1-8.el7_2.noarch.rpm

x86_64:
xerces-c-3.1.1-8.el7_2.i686.rpm
xerces-c-3.1.1-8.el7_2.x86_64.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm
xerces-c-devel-3.1.1-8.el7_2.i686.rpm
xerces-c-devel-3.1.1-8.el7_2.x86_64.rpm

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

Source:
xerces-c-3.1.1-8.el7_2.src.rpm

noarch:
xerces-c-doc-3.1.1-8.el7_2.noarch.rpm

x86_64:
xerces-c-3.1.1-8.el7_2.x86_64.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm
xerces-c-devel-3.1.1-8.el7_2.i686.rpm
xerces-c-devel-3.1.1-8.el7_2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
xerces-c-3.1.1-8.el7_2.src.rpm

ppc64:
xerces-c-3.1.1-8.el7_2.ppc.rpm
xerces-c-3.1.1-8.el7_2.ppc64.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.ppc.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.ppc64.rpm

ppc64le:
xerces-c-3.1.1-8.el7_2.ppc64le.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.ppc64le.rpm

s390x:
xerces-c-3.1.1-8.el7_2.s390.rpm
xerces-c-3.1.1-8.el7_2.s390x.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.s390.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.s390x.rpm

x86_64:
xerces-c-3.1.1-8.el7_2.i686.rpm
xerces-c-3.1.1-8.el7_2.x86_64.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm

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

noarch:
xerces-c-doc-3.1.1-8.el7_2.noarch.rpm

ppc64:
xerces-c-debuginfo-3.1.1-8.el7_2.ppc.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.ppc64.rpm
xerces-c-devel-3.1.1-8.el7_2.ppc.rpm
xerces-c-devel-3.1.1-8.el7_2.ppc64.rpm

ppc64le:
xerces-c-debuginfo-3.1.1-8.el7_2.ppc64le.rpm
xerces-c-devel-3.1.1-8.el7_2.ppc64le.rpm

s390x:
xerces-c-debuginfo-3.1.1-8.el7_2.s390.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.s390x.rpm
xerces-c-devel-3.1.1-8.el7_2.s390.rpm
xerces-c-devel-3.1.1-8.el7_2.s390x.rpm

x86_64:
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm
xerces-c-devel-3.1.1-8.el7_2.i686.rpm
xerces-c-devel-3.1.1-8.el7_2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
xerces-c-3.1.1-8.el7_2.src.rpm

x86_64:
xerces-c-3.1.1-8.el7_2.i686.rpm
xerces-c-3.1.1-8.el7_2.x86_64.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm

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

noarch:
xerces-c-doc-3.1.1-8.el7_2.noarch.rpm

x86_64:
xerces-c-debuginfo-3.1.1-8.el7_2.i686.rpm
xerces-c-debuginfo-3.1.1-8.el7_2.x86_64.rpm
xerces-c-devel-3.1.1-8.el7_2.i686.rpm
xerces-c-devel-3.1.1-8.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-2016-0729
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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