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GENTOO LINUX SECURITY ANNOUNCEMENT 200211-005
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PACKAGE : courier
SUMMARY : buffer overflow
DATE    : 2002-11-19 13:11 UTC
EXPLOIT : local

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- From Debian Security Advisory DSA 197-1 :

A problem in the Courier sqwebmail package, a CGI program to grant
authenticated access to local mailboxes, has been discovered.  The
program did not drop permissions fast enough upon startup under
certain circumstances so a local shell user can execute the sqwebmail
binary and manage to read an arbitrary file on the local filesystem.

SOLUTION

It is recommended that all Gentoo Linux users who are running
net-mail/courier-0.40.0.20021026 and earlier update their systems as 
follows:

emerge rsync
emerge courier
emerge clean

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