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Security Advisory (MDKSA-2003:068): gzip


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MandrakeSoft Security Advisory MDKSA-2003:068 : gzip

 

June 16th, 2003

Updated gzip packages fix insecure temporary file creation

 

A vulnerability exists in znew, a script included with gzip, that would create temporary files without taking precautions to avoid a symlink attack. Patches have been applied to make use of mktemp to generate unique filenames, and properly make use of noclobber in the script. Likewise, a fix for gzexe which had been applied previously was incomplete. It has been fixed to make full use of mktemp everywhere a temporary file is created.

 

The znew problem was initially reported by Michal Zalewski and was again reported more recently to Debian by Paul Szabo.

 

 

The released versions of Mandrake GNU/Linux affected are:

  • 8.2

 

[*] 8.2/PPC

 

[*] 9.0

 

[*] 9.1

 

[*] 9.1/PPC

 

[*] Multi Network Firewall 8.2

 

[*] Corporate Server 2.1

Full information about this advisory, including the updated packages, is available at:

www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2003:068

 

Other references:

http://cve.mitre.org/cgi-bin/cvename.cgi?n...e=CVE-1999-1332

http://cve.mitre.org/cgi-bin/cvename.cgi?n...e=CAN-2003-0367

http://marc.theaimsgroup.com/?l=bugtraq&m=...98519803911&w=2

http://bugs.debian.org/cgi-bin/bugreport.c....cgi?bug=193375

 

Posted automatically by aru (mdksec2mub v0.0.6)

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