bugtraq - MDKSA-2003:073-1 - Updated unzip packages fix vulnerability

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Message-ID: <20030819215949.29802.qmail@updates.mandrakesoft.com>
Date: 19 Aug 2003 21:59:49 -0000
From: Mandrake Linux Security Team <security@...ux-mandrake.com>
To: bugtraq@...urityfocus.com
Subject: MDKSA-2003:073-1 - Updated unzip packages fix vulnerability


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________________________________________________________________________

                Mandrake Linux Security Update Advisory
________________________________________________________________________

Package name:           unzip
Advisory ID:            MDKSA-2003:073-1
Date:                   August 19th, 2003
Original Advisory Date: July 7th, 2003
Affected versions:	8.2, 9.0, 9.1, Corporate Server 2.1,
			Multi Network Firewall 8.2
________________________________________________________________________

Problem Description:

 A vulnerability was discovered in unzip 5.50 and earlier that allows
 attackers to overwrite arbitrary files during archive extraction by
 placing non-printable characters between two "." characters.  These
 invalid characters are filtered which results in a ".." sequence.
 
 The patch applied to these packages prevents unzip from writing to
 parent directories unless the "-:" command line option is used.			
  
Update:

 Ben Laurie found that the original patch used to fix this issue missed
 a case where the path component included a quoted slash.  An updated
 patch was used to build these packages.
________________________________________________________________________

References:
  
  http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0282
  http://marc.theaimsgroup.com/?l=bugtraq&m=105259038503175
________________________________________________________________________

Updated Packages:
  
 Corporate Server 2.1:
 eb83a1f819f0407da2a6abe8f9470e6d  corporate/2.1/RPMS/unzip-5.50-4.2mdk.i586.rpm
 ece7c5edb30cb80c00e902a61126e68d  corporate/2.1/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Corporate Server 2.1/x86_64:
 53ecb5284909bec78ef0b570dfbabf89  x86_64/corporate/2.1/RPMS/unzip-5.50-4.2mdk.x86_64.rpm
 ece7c5edb30cb80c00e902a61126e68d  x86_64/corporate/2.1/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Mandrake Linux 8.2:
 da00ebf987ca4200ce2ed926bf4adaeb  8.2/RPMS/unzip-5.50-4.2mdk.i586.rpm
 ece7c5edb30cb80c00e902a61126e68d  8.2/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Mandrake Linux 8.2/PPC:
 07252553006b6d428289f4fdfadf46fd  ppc/8.2/RPMS/unzip-5.50-4.2mdk.ppc.rpm
 ece7c5edb30cb80c00e902a61126e68d  ppc/8.2/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Mandrake Linux 9.0:
 eb83a1f819f0407da2a6abe8f9470e6d  9.0/RPMS/unzip-5.50-4.2mdk.i586.rpm
 ece7c5edb30cb80c00e902a61126e68d  9.0/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Mandrake Linux 9.1:
 32f6a6726eb9cfe5d76aec74a71228d1  9.1/RPMS/unzip-5.50-4.2mdk.i586.rpm
 ece7c5edb30cb80c00e902a61126e68d  9.1/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Mandrake Linux 9.1/PPC:
 c4cc4eb7e92026ce5264daa57a42ce98  ppc/9.1/RPMS/unzip-5.50-4.2mdk.ppc.rpm
 ece7c5edb30cb80c00e902a61126e68d  ppc/9.1/SRPMS/unzip-5.50-4.2mdk.src.rpm

 Multi Network Firewall 8.2:
 da00ebf987ca4200ce2ed926bf4adaeb  mnf8.2/RPMS/unzip-5.50-4.2mdk.i586.rpm
 ece7c5edb30cb80c00e902a61126e68d  mnf8.2/SRPMS/unzip-5.50-4.2mdk.src.rpm
________________________________________________________________________

Bug IDs fixed (see https://qa.mandrakesoft.com for more information):
________________________________________________________________________

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

A list of FTP mirrors can be obtained from:

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

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

  gpg --recv-keys --keyserver www.mandrakesecure.net 0x22458A98

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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