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Mandrake: libpng buffer overflow vulnerability Print E-mail
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Posted by Team   
Mandrake A buffer overflow vulnerability was discovered in libpng due to a wrong calculation of some loop offset values.


                Mandrake Linux Security Update Advisory

Package name:           libpng
Advisory ID:            MDKSA-2003:008
Date:                   January 20th, 2003

Affected versions:      7.2, 8.0, 8.1, 8.2, 9.0,
                        Multi Network Firewall 8.2, 
                        Single Network Firewall 7.2

Problem Description:

 A buffer overflow vulnerability was discovered in libpng due to a
 wrong calculation of some loop offset values.  This buffer overflow
 can lead to Denial of Service or even remote compromise.
 After the upgrade, all applications that use libpng should be restarted.
 Many applications are linked to libpng, so if you are unsure of what
 applications to restart, you may wish to reboot the system.  MandrakeSoft
 encourages all users to upgrade immediately.


Updated Packages:
 Linux-Mandrake 7.2:
 2c76e45e84da22cb0f27796d8106fab1  7.2/RPMS/libpng-1.0.8-2.2mdk.i586.rpm
 292224db642f17ee582447df906ffeb3  7.2/RPMS/libpng-devel-1.0.8-2.2mdk.i586.rpm
 bb2a1b11a40796e64d79bbbe4b9e723a  7.2/SRPMS/libpng-1.0.8-2.2mdk.src.rpm

 Mandrake Linux 8.0:
 8629fe7a0737df5460e80a86f628a228  8.0/RPMS/libpng2-1.0.9-1.2mdk.i586.rpm
 4c9efd051b3f88f7ae70e4ef109ba1da  8.0/RPMS/libpng2-devel-1.0.9-1.2mdk.i586.rpm
 eebc402c603a5030853c276fed9be435  8.0/SRPMS/libpng-1.0.9-1.2mdk.src.rpm

 Mandrake Linux 8.0/PPC:
 07e7f3eeeb0f1f13d7a534dea7e28302  ppc/8.0/RPMS/libpng2-1.0.9-1.2mdk.ppc.rpm
 b037d2edcaf1ca07a7732a3afd6622f8  ppc/8.0/RPMS/libpng2-devel-1.0.9-1.2mdk.ppc.rpm
 eebc402c603a5030853c276fed9be435  ppc/8.0/SRPMS/libpng-1.0.9-1.2mdk.src.rpm

 Mandrake Linux 8.1:
 9a1081d64a16c7ae11da33744d72a006  8.1/RPMS/libpng2-1.0.12-2.2mdk.i586.rpm
 a7eb696f6dd2ceaab1ad0ba73158cb7f  8.1/RPMS/libpng2-devel-1.0.12-2.2mdk.i586.rpm
 7718ffbd9b56d4da312e48d5653c5532  8.1/SRPMS/libpng-1.0.12-2.2mdk.src.rpm

 Mandrake Linux 8.1/IA64:
 d619abb272740a962838659f0dfeddb8  ia64/8.1/RPMS/libpng2-1.0.12-2.2mdk.ia64.rpm
 0c8375f5460d70490a11af9bf8bc2096  ia64/8.1/RPMS/libpng2-devel-1.0.12-2.2mdk.ia64.rpm
 7718ffbd9b56d4da312e48d5653c5532  ia64/8.1/SRPMS/libpng-1.0.12-2.2mdk.src.rpm

 Mandrake Linux 8.2:
 7d9ad00efdcbb0ce1f59121535f4b546  8.2/RPMS/libpng3-1.2.4-3.2mdk.i586.rpm
 16f3e8374b88bc21645f1d075ce446b7  8.2/RPMS/libpng3-devel-1.2.4-3.2mdk.i586.rpm
 94d59d2cca8c6894394d0738f9812c30  8.2/RPMS/libpng3-static-devel-1.2.4-3.2mdk.i586.rpm
 a9fb5c333d7c1e424f43135db451ddb8  8.2/SRPMS/libpng-1.2.4-3.2mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 1a5a6053e7d68870f345968d58f679e9  ppc/8.2/RPMS/libpng3-1.2.4-3.2mdk.ppc.rpm
 80aa48d4f91c40c70a8a4eb204b06d38  ppc/8.2/RPMS/libpng3-devel-1.2.4-3.2mdk.ppc.rpm
 d09c02fa38c9a8b035028ed35a8d5584  ppc/8.2/RPMS/libpng3-static-devel-1.2.4-3.2mdk.ppc.rpm
 a9fb5c333d7c1e424f43135db451ddb8  ppc/8.2/SRPMS/libpng-1.2.4-3.2mdk.src.rpm

 Mandrake Linux 9.0:
 7a8430641572bbb1ef7cc8575efe2678  9.0/RPMS/libpng3-1.2.4-3.2mdk.i586.rpm
 2b05c7a99cfc2481df6dfeaf06465714  9.0/RPMS/libpng3-devel-1.2.4-3.2mdk.i586.rpm
 c712c39a823eb44323a584721edc3a7b  9.0/RPMS/libpng3-static-devel-1.2.4-3.2mdk.i586.rpm
 a9fb5c333d7c1e424f43135db451ddb8  9.0/SRPMS/libpng-1.2.4-3.2mdk.src.rpm

 Multi Network Firewall 8.2:
 7d9ad00efdcbb0ce1f59121535f4b546  mnf8.2/RPMS/libpng3-1.2.4-3.2mdk.i586.rpm
 a9fb5c333d7c1e424f43135db451ddb8  mnf8.2/SRPMS/libpng-1.2.4-3.2mdk.src.rpm

 Single Network Firewall 7.2:
 2c76e45e84da22cb0f27796d8106fab1  snf7.2/RPMS/libpng-1.0.8-2.2mdk.i586.rpm
 bb2a1b11a40796e64d79bbbe4b9e723a  snf7.2/SRPMS/libpng-1.0.8-2.2mdk.src.rpm

Bug IDs fixed (see for more information):

To upgrade automatically, use MandrakeUpdate.  The verification of md5
checksums and GPG signatures is performed automatically for you.

If you want to upgrade manually, download the updated package from one
of our FTP server mirrors and upgrade with "rpm -Fvh *.rpm".  A list of
FTP mirrors can be obtained from:

Please verify the update prior to upgrading to ensure the integrity of
the downloaded package.  You can do this with the command:

  rpm --checksig 

All packages are signed by MandrakeSoft for security.  You can obtain
the GPG public key of the Mandrake Linux Security Team from:

Please be aware that sometimes it takes the mirrors a few hours to

You can view other update advisories for Mandrake Linux at:

MandrakeSoft has several security-related mailing list services that
anyone can subscribe to.  Information on these lists can be obtained by

If you want to report vulnerabilities, please contact

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team

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