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Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA112] DSA-112-1 hanterm


Vulnerability Assessment Details

[DSA112] DSA-112-1 hanterm

Vulnerability Assessment Summary
DSA-112-1 hanterm

Detailed Explanation for this Vulnerability Assessment

A set of buffer overflow problems have been found in hanterm, a Hangul
terminal for X11 derived from xterm, that will read and display Korean
characters in its terminal window. The font handling code in hanterm
uses hard limited string variables but didn't check for boundaries.
This problem can be exploited by a malicious user to gain access to
the utmp group which is able to write the wtmp and utmp files. These
files record login and logout activities.
This problem has been fixed in version 3.3.1p17-5.2 for the stable
Debian distribution. A fixed package for the current testing/unstable
distribution is not yet available but will have a version number
higher than 3.3.1p18-6.1.
We recommend that you upgrade your hanterm packages immediately if you
have them installed. Known exploits are already available.


Solution : http://www.debian.org/security/2002/dsa-112
Network Security Threat Level: High

Networks Security ID:

Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi

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