DSA 488-1: New logcheck packages fix insecure temporary directory
Posted on: 04/17/2004 04:16 AM

New logcheck packages has been released for Debian GNU/Linux

Debian Security Advisory DSA 488-1 security@debian.org
http://www.debian.org/security/ Matt Zimmerman
April 16th, 2004 http://www.debian.org/security/faq

Package : logcheck
Vulnerability : insecure temporary directory
Problem-Type : local
Debian-specific: no
CVE Ids : CAN-2004-0404

Christian Jaeger reported a bug in logcheck which could potentially be exploited by a local user to overwrite files with root privileges. logcheck utilized a temporary directory under /var/tmp without taking security precautions. While this directory is created when logcheck is installed, and while it exists there is no vulnerability, if at any time this directory is removed, the potential for exploitation exists.

For the current stable distribution (woody) this problem has been fixed in version 1.1.1-13.1woody1.

For the unstable distribution (sid), this problem has been fixed in version 1.1.1-13.2.

We recommend that you update your logcheck package.

Upgrade Instructions

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the footer to the proper configuration.

Debian GNU/Linux 3.0 alias woody

Source archives:

Size/MD5 checksum: 613 8e01951f551f262ad2ca57543f8e365a
Size/MD5 checksum: 24812 e4e98736893194d3d59d01ba34e2f3e7
Size/MD5 checksum: 29998 51c91fff337e30958df368c648911647

Architecture independent components:

Size/MD5 checksum: 16450 f14aed68d079c1a64651c6c75ef1ab14
Size/MD5 checksum: 25146 c6f1446b5d520e42384ffb3408da864e
Size/MD5 checksum: 9338 5bfca1c9d03ee43a18d54df1be5891d9

These files will probably be moved into the stable distribution on its next revision.

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