bugtraq - [ MDVSA-2013:035 ] libexif

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Date: Fri, 05 Apr 2013 15:23:00 +0200
From: security@...driva.com
To: bugtraq@...urityfocus.com
Subject: [ MDVSA-2013:035 ] libexif

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 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2013:035
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

 Package : libexif
 Date    : April 5, 2013
 Affected: Business Server 1.0
 _______________________________________________________________________

 Problem Description:

 Multiple vulnerabilities has been discovered and corrected in libexif:
 
 A heap-based out-of-bounds array read in the exif_entry_get_value
 function in libexif/exif-entry.c in libexif 0.6.20 and earlier allows
 remote attackers to cause a denial of service or possibly obtain
 potentially sensitive information from process memory via an image
 with crafted EXIF tags (CVE-2012-2812).
 
 A heap-based out-of-bounds array read in the exif_convert_utf16_to_utf8
 function in libexif/exif-entry.c in libexif 0.6.20 and earlier allows
 remote attackers to cause a denial of service or possibly obtain
 potentially sensitive information from process memory via an image
 with crafted EXIF tags (CVE-2012-2813).
 
 A buffer overflow in the exif_entry_format_value function in
 libexif/exif-entry.c in libexif 0.6.20 allows remote attackers to
 cause a denial of service or possibly execute arbitrary code via an
 image with crafted EXIF tags (CVE-2012-2814).
 
 A heap-based out-of-bounds array read in the exif_data_load_data
 function in libexif 0.6.20 and earlier allows remote attackers to
 cause a denial of service or possibly obtain potentially sensitive
 information from process memory via an image with crafted EXIF tags
 (CVE-2012-2836).
 
 A divide-by-zero error in the mnote_olympus_entry_get_value function
 while formatting EXIF maker note tags in libexif 0.6.20 and earlier
 allows remote attackers to cause a denial of service via an image
 with crafted EXIF tags (CVE-2012-2837).
 
 An off-by-one error in the exif_convert_utf16_to_utf8 function in
 libexif/exif-entry.c in libexif 0.6.20 and earlier allows remote
 attackers to cause a denial of service or possibly execute arbitrary
 code via an image with crafted EXIF tags (CVE-2012-2840).
 
 An integer underflow in the exif_entry_get_value function can cause a
 heap overflow and potentially arbitrary code execution while formatting
 an EXIF tag, if the function is called with a buffer size parameter
 equal to zero or one (CVE-2012-2841).
 
 The updated packages have been upgraded to the 0.6.21 version which
 is not vulnerable to these issues.
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2812
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2813
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2814
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2836
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2837
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2840
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2841
 http://sourceforge.net/mailarchive/message.php?msg_id=29534027
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 1/X86_64:
 b80829936144c51c54311141e318d2cf  mbs1/x86_64/lib64exif12-0.6.21-1.mbs1.x86_64.rpm
 157811aa676f0e3880562613915a7a38  mbs1/x86_64/lib64exif-devel-0.6.21-1.mbs1.x86_64.rpm
 0d25a19fee1af83ae917b703dd4aa32f  mbs1/x86_64/libexif12-common-0.6.21-1.mbs1.x86_64.rpm 
 17bc1e1ff5b868817ee16e490b154be1  mbs1/SRPMS/libexif-0.6.21-1.mbs1.src.rpm
 _______________________________________________________________________

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 All packages are signed by Mandriva for security.  You can obtain the
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 You can view other update advisories for Mandriva Linux at:

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 If you want to report vulnerabilities, please contact

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 _______________________________________________________________________

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