Mandrake alert: libpng update

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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           libpng
Advisory ID:            MDKSA-2002:049
Date:                   August 13th, 2002
Affected versions:      7.1, 7.2, 8.0, 8.1, 8.2, Corporate Server 1.0.1,
                        Single Network Firewall 7.2
________________________________________________________________________

Problem Description:

 A buffer overflow was found in the in the progressive reader of the PNG
 library when the PNG datastream contains more IDAT data than indicated
 by the IHDR chunk.  These deliberately malformed datastreams would
 crash applications thus potentially allowing an attacker to execute
 malicious code.  Many programs make use of the PNG libraries, including
 web browsers.  This overflow is corrected in versions 1.0.14 and 1.2.4
 of the PNG library.

 In order to have the system utilize the upgraded packages after the
 upgrade, you must restart all running applications that are linked to
 libpng.  You can obtain this list by executing "lsof|grep libpng" or
 "fuser -v /usr/lib/libpng.so".
________________________________________________________________________

References:

  ftp://swrinde.nde.swri.edu/pub/png-group/archives/png-list.200207
________________________________________________________________________

Updated Packages:

 Linux-Mandrake 7.1:
 d5a7e93ceeb6df5bc5d8a76d5cc5f8a6  7.1/RPMS/libpng-1.0.5-2.1mdk.i586.rpm
 8ebcd9cc318fc4de56119cbfdaef7b97  7.1/RPMS/libpng-devel-1.0.5-2.1mdk.i586.rpm
 408b761599627e63fede428188ee4cde  7.1/SRPMS/libpng-1.0.5-2.1mdk.src.rpm

 Linux-Mandrake 7.2:
 f874a9d863411cd836b65958612e3fb6  7.2/RPMS/libpng-1.0.8-2.1mdk.i586.rpm
 407550b6731f2b788a1ac2bceeac9089  7.2/RPMS/libpng-devel-1.0.8-2.1mdk.i586.rpm
 010138d7edef8a2583ec14759d77cc9d  7.2/SRPMS/libpng-1.0.8-2.1mdk.src.rpm

 Mandrake Linux 8.0:
 8648f8cd2b58eb6c172f2406b0f4b682  8.0/RPMS/libpng2-1.0.9-1.1mdk.i586.rpm
 a7602d35d7d0d9970a81cd7577cb8af7  8.0/RPMS/libpng2-devel-1.0.9-1.1mdk.i586.rpm
 95518056351fcf8c0b177fc6d2af1407  8.0/SRPMS/libpng-1.0.9-1.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 45c1bc185692591ae2a3b749d6b4ecf2  ppc/8.0/RPMS/libpng2-1.0.9-1.1mdk.ppc.rpm
 391a4ef3e765b0503c0eac30cac192e1  ppc/8.0/RPMS/libpng2-devel-1.0.9-1.1mdk.ppc.rpm
 95518056351fcf8c0b177fc6d2af1407  ppc/8.0/SRPMS/libpng-1.0.9-1.1mdk.src.rpm

 Mandrake Linux 8.1:
 365df8f064465bff640490f0cb301cab  8.1/RPMS/libpng2-1.0.12-2.1mdk.i586.rpm
 e770285d26cf86e5ca5625b2fe7da87c  8.1/RPMS/libpng2-devel-1.0.12-2.1mdk.i586.rpm
 0092e39856086da06359184cb2722f09  8.1/SRPMS/libpng-1.0.12-2.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 70766209bc1d23c47736f7ad827ba197  ia64/8.1/RPMS/libpng2-1.0.12-2.1mdk.ia64.rpm
 46b8453ed9b48ff3d1940b9ea5028ae9  ia64/8.1/RPMS/libpng2-devel-1.0.12-2.1mdk.ia64.rpm
 0092e39856086da06359184cb2722f09  ia64/8.1/SRPMS/libpng-1.0.12-2.1mdk.src.rpm

 Mandrake Linux 8.2:
 a356a7d29a489d4a4cf69948820818cc  8.2/RPMS/libpng3-1.2.4-3.1mdk.i586.rpm
 d82469cdfdbbab17d95920646f9ab128  8.2/RPMS/libpng3-devel-1.2.4-3.1mdk.i586.rpm
 300ca08369f671487bb8c3da92880351  8.2/RPMS/libpng3-static-devel-1.2.4-3.1mdk.i586.rpm
 c8634093c123e017e1e7b84dcce7ad0a  8.2/SRPMS/libpng-1.2.4-3.1mdk.src.rpm

 Mandrake Linux 8.2/ppc:
 0962951701cf5c31e8bc2c08f7aac684  ppc/8.2/RPMS/libpng3-1.2.4-3.1mdk.ppc.rpm
 d61d6870fea5b6a8012d09e7ff68934e  ppc/8.2/RPMS/libpng3-devel-1.2.4-3.1mdk.ppc.rpm
 b488212adf640b21fb68a65cf8a74761  ppc/8.2/RPMS/libpng3-static-devel-1.2.4-3.1mdk.ppc.rpm
 c8634093c123e017e1e7b84dcce7ad0a  ppc/8.2/SRPMS/libpng-1.2.4-3.1mdk.src.rpm

 Corporate Server 1.0.1:
 d5a7e93ceeb6df5bc5d8a76d5cc5f8a6  1.0.1/RPMS/libpng-1.0.5-2.1mdk.i586.rpm
 8ebcd9cc318fc4de56119cbfdaef7b97  1.0.1/RPMS/libpng-devel-1.0.5-2.1mdk.i586.rpm
 408b761599627e63fede428188ee4cde  1.0.1/SRPMS/libpng-1.0.5-2.1mdk.src.rpm

 Single Network Firewall 7.2:
 f874a9d863411cd836b65958612e3fb6  snf7.2/RPMS/libpng-1.0.8-2.1mdk.i586.rpm
 010138d7edef8a2583ec14759d77cc9d  snf7.2/SRPMS/libpng-1.0.8-2.1mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com 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:

  http://www.mandrakesecure.net/en/ftp.php

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

  rpm --checksig <filename>

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

  https://www.mandrakesecure.net/RPM-GPG-KEYS

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

You can view other update advisories for Mandrake Linux at:

  http://www.mandrakesecure.net/en/advisories/

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

  http://www.mandrakesecure.net/en/mlist.php

If you want to report vulnerabilities, please contact

  security@linux-mandrake.com
________________________________________________________________________

Type Bits/KeyID     Date       User ID
pub  1024D/22458A98 2000-07-10 Linux Mandrake Security Team
  <security@linux-mandrake.com>


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