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Mandrake: gzip fix Print E-mail
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Posted by Joe Shakespeare   
Mandrake The Trustix developers found some insecure temporary file creation problems in the zdiff, znew, and gzeze supplemental scripts in the gzip package. These flaws could allow local users to overwrite files via a symlink attack.


                 Mandrakelinux Security Update Advisory

 Package name:           gzip
 Advisory ID:            MDKSA-2004:142
 Date:                   December 6th, 2004

 Affected versions:      10.0, 10.1, 9.2, Corporate Server 2.1,
                         Multi Network Firewall 8.2

 Problem Description:

 The Trustix developers found some insecure temporary file creation
 problems in the zdiff, znew, and gzeze supplemental scripts in the
 gzip package.  These flaws could allow local users to overwrite files
 via a symlink attack.

 A similar problem was fixed last year (CAN-2003-0367) in which this
 same problem was found in znew.  At that time, Mandrakesoft also used
 mktemp to correct the problems in gzexe.  This update uses mktemp to
 handle temporary files in the zdiff script.


 Updated Packages:

 Mandrakelinux 10.0:
 90bed38351f26f8ba6407aaf994bf32f  10.0/RPMS/gzip-1.2.4a-13.1.100mdk.i586.rpm
 040cd4de118139d83a3eb0c9f69455d6  10.0/SRPMS/gzip-1.2.4a-13.1.100mdk.src.rpm

 Mandrakelinux 10.0/AMD64:
 3948d5261fdae9eb41492090e2037d8a  amd64/10.0/RPMS/gzip-1.2.4a-13.1.100mdk.amd64.rpm
 040cd4de118139d83a3eb0c9f69455d6  amd64/10.0/SRPMS/gzip-1.2.4a-13.1.100mdk.src.rpm

 Mandrakelinux 10.1:
 daebea05aa9aee97b129cf70c33da39e  10.1/RPMS/gzip-1.2.4a-13.1.101mdk.i586.rpm
 82b00b5e80d75f9be44faefee7030548  10.1/SRPMS/gzip-1.2.4a-13.1.101mdk.src.rpm

 Mandrakelinux 10.1/X86_64:
 cb67ff9bdd9077105952417e4af9b0f9  x86_64/10.1/RPMS/gzip-1.2.4a-13.1.101mdk.x86_64.rpm
 82b00b5e80d75f9be44faefee7030548  x86_64/10.1/SRPMS/gzip-1.2.4a-13.1.101mdk.src.rpm

 Corporate Server 2.1:
 8f06248061b9ac6dd4460e94e263b077  corporate/2.1/RPMS/gzip-1.2.4a-11.3.C21mdk.i586.rpm
 30ef2298b4dc0582f0d5004cba2313fe  corporate/2.1/SRPMS/gzip-1.2.4a-11.3.C21mdk.src.rpm

 Corporate Server 2.1/x86_64:
 e11f60108a7efc0bd917afdb4398b438  x86_64/corporate/2.1/RPMS/gzip-1.2.4a-11.3.C21mdk.x86_64.rpm
 30ef2298b4dc0582f0d5004cba2313fe  x86_64/corporate/2.1/SRPMS/gzip-1.2.4a-11.3.C21mdk.src.rpm

 Mandrakelinux 9.2:
 3a58262efc591b05714489fdf7aa764a  9.2/RPMS/gzip-1.2.4a-13.1.92mdk.i586.rpm
 50afab34a696bf740aeaf999a65d660b  9.2/SRPMS/gzip-1.2.4a-13.1.92mdk.src.rpm

 Mandrakelinux 9.2/AMD64:
 ef5b7fd75554c4d1b125036e2341bc55  amd64/9.2/RPMS/gzip-1.2.4a-13.1.92mdk.amd64.rpm
 50afab34a696bf740aeaf999a65d660b  amd64/9.2/SRPMS/gzip-1.2.4a-13.1.92mdk.src.rpm

 Multi Network Firewall 8.2:
 d65c27535c3013ec5022e15f1153dc06  mnf8.2/RPMS/gzip-1.2.4a-11.3.M82mdk.i586.rpm
 6997833b18051d19123abc2d03d5147b  mnf8.2/SRPMS/gzip-1.2.4a-11.3.M82mdk.src.rpm

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

 All packages are signed by Mandrakesoft for security.  You can obtain
 the GPG public key of the Mandrakelinux Security Team by executing:

  gpg --recv-keys --keyserver 0x22458A98

 You can view other update advisories for Mandrakelinux at:

 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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