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Mandrake: unzip directory traversal vulnerability Print E-mail
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Posted by Team   
Mandrake A directory traversal vulnerability was discovered in unzip that allows attackers to overwrite arbitrary files during extraction of the archive by using a ".." in an extracted filename, as well as prefixing filenames in the archive with "/".


                Mandrake Linux Security Update Advisory

Package name:           unzip
Advisory ID:            MDKSA-2002:065
Date:                   October 10th, 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 directory traversal vulnerability was discovered in unzip version
 5.42 and earlier that allows attackers to overwrite arbitrary files
 during extraction of the archive by using a ".." (dot dot) in an 
 extracted filename, as well as prefixing filenames in the archive with
 "/" (slash).


Updated Packages:

 Linux-Mandrake 7.1:
 ab909f58fa8b6cac86bfc95813035579  7.1/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  7.1/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Linux-Mandrake 7.2:
 ab909f58fa8b6cac86bfc95813035579  7.2/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  7.2/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.0:
 d70fef1d9a8c1ff7eccff62e283d1992  8.0/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  8.0/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.0/ppc:
 5e8d9366e92efd764e8f08f394b0fe60  ppc/8.0/RPMS/unzip-5.50-2.1mdk.ppc.rpm
 af61004cadf81c51aee95ceaa0f66d17  ppc/8.0/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.1:
 9c684644594628a09247ada42a566185  8.1/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  8.1/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.1/ia64:
 5effdffc706442ddd5ef933b139805bc  ia64/8.1/RPMS/unzip-5.50-2.1mdk.ia64.rpm
 af61004cadf81c51aee95ceaa0f66d17  ia64/8.1/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.2:
 33bf02cef205d3b4d4e66c49618a67cf  8.2/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  8.2/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Mandrake Linux 8.2/ppc:
 0f1c77bf8ab5ef1399eb906c98e2b269  ppc/8.2/RPMS/unzip-5.50-2.1mdk.ppc.rpm
 af61004cadf81c51aee95ceaa0f66d17  ppc/8.2/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Corporate Server 1.0.1:
 ab909f58fa8b6cac86bfc95813035579  1.0.1/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  1.0.1/SRPMS/unzip-5.50-2.1mdk.src.rpm

 Single Network Firewall 7.2:
 ab909f58fa8b6cac86bfc95813035579  snf7.2/RPMS/unzip-5.50-2.1mdk.i586.rpm
 af61004cadf81c51aee95ceaa0f66d17  snf7.2/SRPMS/unzip-5.50-2.1mdk.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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