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klieber
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Joined: 17 Apr 2002
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Location: San Francisco, CA

PostPosted: Tue Nov 19, 2002 5:22 pm    Post subject: [gentoo-announce] GLSA: courier Reply with quote

Daniel Ahlberg wrote:
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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

- - --------------------------------------------------------------------
aliz@gentoo.org - GnuPG key is available at www.gentoo.org/~aliz
- - --------------------------------------------------------------------

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--kurt
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