bugtraq - [ MDVSA-2015:071 ] libpng12

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Message-Id: <E1YbXZ6-0001tO-Il@titan.mandriva.com>
Date: Fri, 27 Mar 2015 17:57:00 +0100
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2015:071 ] libpng12

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2015:071
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : libpng12
 Date    : March 27, 2015
 Affected: Business Server 2.0
 _______________________________________________________________________

 Problem Description:

 Updated libpng12 package fixes security vulnerabilities:

 The png_do_expand_palette function in libpng before 1.6.8 allows remote
 attackers to cause a denial of service (NULL pointer dereference and
 application crash) via a PLTE chunk of zero bytes or a NULL palette,
 related to pngrtran.c and pngset.c (CVE-2013-6954).

 An integer overflow leading to a heap-based buffer overflow was found
 in the png_set_sPLT() and png_set_text_2() API functions of libpng. An
 attacker could create a specially-crafted image file and render it
 with an application written to explicitly call png_set_sPLT() or
 png_set_text_2() function, could cause libpng to crash or execute
 arbitrary code with the permissions of the user running such an
 application (CVE-2013-7353).

 An integer overflow leading to a heap-based buffer overflow was found
 in the png_set_unknown_chunks() API function of libpng. An attacker
 could create a  specially-crafted image file and render it with an
 application written to explicitly call png_set_unknown_chunks()
 function, could cause libpng to crash or execute arbitrary code
 with the permissions of the user running such an application
 (CVE-2013-7354).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6954
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7353
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-7354
 http://advisories.mageia.org/MGASA-2014-0076.html
 http://advisories.mageia.org/MGASA-2014-0211.html
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 2/X86_64:
 67f6c1e2cbf315f3e5270adb49046092  mbs2/x86_64/lib64png12_0-1.2.50-5.1.mbs2.x86_64.rpm
 e985ececed0be928b1d2d6166fec5e66  mbs2/x86_64/lib64png12-devel-1.2.50-5.1.mbs2.x86_64.rpm 
 b21bbda94814f3a3f766bf68794d47f9  mbs2/SRPMS/libpng12-1.2.50-5.1.mbs2.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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