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Debian 3.0: DSA 109-1 Severe: gawk Formatting Vulnerability Exploit

debian
Calendar Grey January 30, 2002
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The jgroff module has been updated to rectify a critical layout printing issue that allowed for unintended code execution.
The pic command was vulnerable to a printf format attackwhich made it possible to circumvent the `-S' option and executearbitrary code.

Summary

Basically, this is the same Security Advisory as DSA 072-1, but for
jgroff instead of groff. The package jgroff contains a version
derived from groff that has japaneze character sets enabled. This
package is available only in the stable release of Debian, patches for
japanese support have been merged into the main groff package.

The old advisory said:

Zenith Parse found a security problem in groff (the GNU version of
troff). The pic command was vulnerable to a printf format attack
which made it possible to circumvent the `-S' option and execute
arbitrary code.

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 2.2 alias potato
------...

Read the Full Advisory

Severity
critical
Lowest
Low
Medium
High
Critical

Package: jgroff

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