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Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA248] DSA-248-1 hypermail


Vulnerability Assessment Details

[DSA248] DSA-248-1 hypermail

Vulnerability Assessment Summary
DSA-248-1 hypermail

Detailed Explanation for this Vulnerability Assessment

Ulf Härnhammar discovered two problems in hypermail, a program to
create HTML archives of mailing lists.
A possible hacker could craft a long filename for an attachment that would
overflow two buffers when a certain option for interactive use was
given, opening the possibility to inject arbitrary code. This code
would then be executed under the user id hypermail runs as, mostly as
a local user. Automatic and silent use of hypermail does not seem to
be affected.
The CGI program mail, which is not installed by the Debian package,
does a reverse look-up of the user's IP number and copies the
resulting hostname into a fixed-size buffer. A specially crafted DNS
reply could overflow this buffer, opening the program to an exploit.
For the stable distribution (woody) this problem has been fixed in
version 2.1.3-2.0.
For the old stable distribution (potato) this problem has been fixed
in version 2.0b25-1.1.
For the unstable distribution (sid) this problem has been fixed
in version 2.1.6-1.
We recommend that you upgrade your hypermail packages.


Solution : http://www.debian.org/security/2003/dsa-248
Network Security Threat Level: High

Networks Security ID: 6689, 6690

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

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