full-disclosure - [ MDVSA-2013:056 ] libxml2

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Date: Mon, 08 Apr 2013 12:27:01 +0200
From: security@...driva.com
To: full-disclosure@...ts.grok.org.uk
Subject: [ MDVSA-2013:056 ] libxml2

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2013:056
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : libxml2
 Date    : April 8, 2013
 Affected: Business Server 1.0
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities was found and corrected in libxml2:

 A heap-buffer overflow was found in the way libxml2 decoded certain
 XML entitites. A remote attacker could provide a specially-crafted
 XML file, which once opened in an application linked against libxml
 would cause that application to crash, or, potentially, execute
 arbitrary code with the privileges of the user running the application
 (CVE-2012-5134).

 A denial of service flaw was found in the way libxml2 performed string
 substitutions when entity values for entity references replacement
 was enabled. A remote attacker could provide a specially-crafted XML
 file that, when processed by an application linked against libxml2,
 would lead to excessive CPU consumption (CVE-2013-0338).

 An Off-by-one error in libxml2 allows remote attackers to cause a
 denial of service (out-of-bounds write) or possibly have unspecified
 other impact via unknown vectors (CVE-2011-3102).

 Multiple integer overflows in libxml2, on 64-bit Linux platforms
 allow remote attackers to cause a denial of service or possibly have
 unspecified other impact via unknown vectors (CVE-2012-2807).

 The updated packages have been patched to correct these issues.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5134
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0338
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-3102
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2807
 https://bugzilla.redhat.com/show_bug.cgi?id=912400
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 1/X86_64:
 3b0edbfe45e8b508baec4d44d5f4edaa  mbs1/x86_64/lib64xml2_2-2.7.8-14.20120229.2.2.mbs1.x86_64.rpm
 9c1fc6692eab2a304b0572baeea9fa3c  mbs1/x86_64/lib64xml2-devel-2.7.8-14.20120229.2.2.mbs1.x86_64.rpm
 b9b4b34210bf9ee8c82e8fa7d9eed44a  mbs1/x86_64/libxml2-python-2.7.8-14.20120229.2.2.mbs1.x86_64.rpm
 c72ca979e12b286151f15a148e21debe  mbs1/x86_64/libxml2-utils-2.7.8-14.20120229.2.2.mbs1.x86_64.rpm 
 9af763be198cbc708a94a8dfff32bb3c  mbs1/SRPMS/libxml2-2.7.8-14.20120229.2.2.mbs1.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
 of md5 checksums and GPG signatures is performed automatically for you.

 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

  gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98

 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/en/support/security/advisories/

 If you want to report vulnerabilities, please contact

  security_(at)_mandriva.com
 _______________________________________________________________________

 Type Bits/KeyID     Date       User ID
 pub  1024D/22458A98 2000-07-10 Mandriva Security Team
  <security*mandriva.com>
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