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 _______________________________________________________________________
 
 Mandriva Linux Security Advisory                         MDKSA-2006:004
 http://www.mandriva.com/security/
 _______________________________________________________________________
 
 Package : pdftohtml
 Date    : January 5, 2006
 Affected: 2006.0
 _______________________________________________________________________
 
 Problem Description:
 
 Multiple heap-based buffer overflows in the
 DCTStream::readProgressiveSOF and DCTStream::readBaselineSOF functions
 in the DCT stream parsing code (Stream.cc) in xpdf 3.01 and earlier,
 allow user-complicit attackers to cause a denial of service (heap
 corruption) and possibly execute arbitrary code via a crafted  PDF file
 with an out-of-range number of components (numComps), which is used as
 an array index. (CVE-2005-3191)
  
 Heap-based buffer overflow in the StreamPredictor function in Xpdf 3.01
 allows remote attackers to execute arbitrary code via a PDF file with
 an out-of-range numComps (number of components) field. (CVE-2005-3192)
 
 Heap-based buffer overflow in the JPXStream::readCodestream function
 in the JPX stream parsing code (JPXStream.c) for xpdf 3.01 and earlier
 allows user-complicit attackers to cause a denial of service (heap
 corruption) and possibly execute arbitrary code via a crafted PDF file
 with large size values that cause insufficient memory to be allocated.
 (CVE-2005-3193)
 
 An additional patch re-addresses memory allocation routines in
 goo/gmem.c (Martin Pitt/Canonical, Dirk Mueller/KDE). 
 
 In addition, Chris Evans discovered several other vulnerbilities in
 the xpdf code base:
 
  Out-of-bounds heap accesses with large or negative parameters to 
   "FlateDecode" stream. (CVE-2005-3192)
 
  Out-of-bounds heap accesses with large or negative parameters to
   "CCITTFaxDecode" stream. (CVE-2005-3624)
 
  Infinite CPU spins in various places when stream ends unexpectedly.
   (CVE-2005-3625) 
 
  NULL pointer crash in the "FlateDecode" stream. (CVE-2005-3626)
 
  Overflows of compInfo array in "DCTDecode" stream. (CVE-2005-3627)
 
  Possible to use index past end of array in "DCTDecode" stream.
   (CVE-2005-3627)
 
  Possible out-of-bounds indexing trouble in "DCTDecode" stream.
   (CVE-2005-3627)
 
 Pdftohtml uses an embedded copy of the xpdf code, with the same
 vulnerabilities.
 
 The updated packages have been patched to correct these problems.
 _______________________________________________________________________

 References:
 
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3191
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3192
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3193
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3624
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3625
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3626
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3627
 _______________________________________________________________________
 
 Updated Packages:
 
 Mandriva Linux 2006.0:
 1f14f1f733a877f14e5470107ce6eea0 
 2006.0/RPMS/pdftohtml-0.36-2.1.20060mdk.i586.rpm
 535348b440e6a16b800b1fb00b4b8d3e 
 2006.0/SRPMS/pdftohtml-0.36-2.1.20060mdk.src.rpm

 Mandriva Linux 2006.0/X86_64:
 88b1b1351cda8999e1ae2b0b813798be 
 x86_64/2006.0/RPMS/pdftohtml-0.36-2.1.20060mdk.x86_64.rpm
 535348b440e6a16b800b1fb00b4b8d3e 
 x86_64/2006.0/SRPMS/pdftohtml-0.36-2.1.20060mdk.src.rpm
 _______________________________________________________________________

 To upgrade automatically use MandrivaUpdate or urpmi.  The verification
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 All packages are signed by Mandriva for security.  You can obtain the
 GPG public key of the Mandriva Security Team by executing:

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 You can view other update advisories for Mandriva Linux at:

  http://www.mandriva.com/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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