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Mandriva: Updated gpdf packages fix several vulnerabilities Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Mandrake 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)
 _______________________________________________________________________
 
 Mandriva Linux Security Advisory                         MDKSA-2006:006
 http://www.mandriva.com/security/
 _______________________________________________________________________
 
 Package : gpdf
 Date    : January 5, 2006
 Affected: Corporate 3.0
 _______________________________________________________________________
 
 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)
 
 Gpdf 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:
 
 Corporate 3.0:
 c632c70e9cb361a9cd5f15044e81fc2d  corporate/3.0/RPMS/gpdf-0.112-2.7.C30mdk.i586.rpm
 b1f95183009314b1b90f09e8856eb590  corporate/3.0/SRPMS/gpdf-0.112-2.7.C30mdk.src.rpm

 Corporate 3.0/X86_64:
 7b23a4672b186d5bbc25c0873e75eda3  x86_64/corporate/3.0/RPMS/gpdf-0.112-2.7.C30mdk.x86_64.rpm
 b1f95183009314b1b90f09e8856eb590  x86_64/corporate/3.0/SRPMS/gpdf-0.112-2.7.C30mdk.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/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
  
 
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