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Mandriva: 2013:046: libtiff Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Mandrake Updated libtiff packages fix security vulnerabilities: libtiff did not properly convert between signed and unsigned integer values, leading to a buffer overflow. An attacker could use this flaw to create a specially-crafted TIFF file that, when opened, would [More...]
 _______________________________________________________________________

 Mandriva Linux Security Advisory                         MDVSA-2013:046
 http://www.mandriva.com/en/support/security/
 _______________________________________________________________________

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

 Problem Description:

 Updated libtiff packages fix security vulnerabilities:
 
 libtiff did not properly convert between signed and unsigned integer
 values, leading to a buffer overflow. An attacker could use this flaw
 to create a specially-crafted TIFF file that, when opened, would
 cause an application linked against libtiff to crash or, possibly,
 execute arbitrary code (CVE-2012-2088).
 
 Multiple integer overflow flaws, leading to heap-based buffer
 overflows, were found in the tiff2pdf tool. An attacker could use
 these flaws to create a specially-crafted TIFF file that would cause
 tiff2pdf to crash or, possibly, execute arbitrary code (CVE-2012-2113).
 
 Huzaifa Sidhpurwala discovered that the tiff2pdf utility incorrectly
 handled certain malformed TIFF images. If a user or automated
 system were tricked into opening a specially crafted TIFF image,
 a remote attacker could crash the application, leading to a denial
 of service, or possibly execute arbitrary code with user privileges
 (CVE-2012-3401).
 
 It was discovered that a buffer overflow in libtiff's parsing of files
 using PixarLog compression could lead to the execution of arbitrary
 code (CVE-2012-4447).
 
 ppm2tiff does not check the return value of the TIFFScanlineSize
 function, which allows remote attackers to cause a denial of service
 (crash) and possibly execute arbitrary code via a crafted PPM image
 that triggers an integer overflow, a zero-memory allocation, and a
 heap-based buffer overflow (CVE-2012-4564).
 
 It was discovered that LibTIFF incorrectly handled certain malformed
 images using the DOTRANGE tag. If a user or automated system were
 tricked into opening a specially crafted TIFF image, a remote attacker
 could crash the application, leading to a denial of service, or
 possibly execute arbitrary code with user privileges (CVE-2012-5581).
 _______________________________________________________________________

 References:

 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2088
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2113
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3401
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4447
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4564
 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5581
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0137
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0181
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0317
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0332
 https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0355
 _______________________________________________________________________

 Updated Packages:

 Mandriva Business Server 1/X86_64:
 e489dd169495231247391f0607f37914  mbs1/x86_64/lib64tiff5-4.0.1-3.1.mbs1.x86_64.rpm
 68f06739c114bb9306496b7c57292828  mbs1/x86_64/lib64tiff-devel-4.0.1-3.1.mbs1.x86_64.rpm
 8a19b76e6e2abf8f36280915507890d7  mbs1/x86_64/lib64tiff-static-devel-4.0.1-3.1.mbs1.x86_64.rpm
 ca12ef05aec9fd6670dff6b46fe7db55  mbs1/x86_64/libtiff-progs-4.0.1-3.1.mbs1.x86_64.rpm 
 fe850f795db9e80647334c5cf7506ec5  mbs1/SRPMS/libtiff-4.0.1-3.1.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
 _______________________________________________________________________
 
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