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Debian DSA 460-1 Severe: Risk of Sysstat File Overwrite Vulnerability

debian
Calendar Grey March 10, 2004
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Debian advisory DSA 460-1 reveals severe file overwrite risk in sysstat, urging urgent package updates to mitigate local exploits.
Crafted symlinks can be used to make systat write to/read from arbitrary files.

Summary

Alan Cox discovered that the isag utility (which graphically displays
data collected by the sysstat tools), creates a temporary file without
taking proper precautions. This vulnerability could allow a local
attacker to overwrite files with the privileges of the user invoking
isag.

For the current stable distribution (woody) this problem has been
fixed in version 5.0.1-1.

For the unstable distribution (sid) this problem will be fixed soon.

We recommend that you update your sysstat 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 ...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: sysstat

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