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Sicherheit: Denial of Service in xchat
Aktuelle Meldungen Distributionen
Name: Denial of Service in xchat
ID: 200312-06
Distribution: Gentoo
Plattformen: Keine Angabe
Datum: Di, 16. Dezember 2003, 12:00
Referenzen: Keine Angabe
Applikationen: X-Chat

Originalnachricht

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GENTOO LINUX SECURITY ANNOUNCEMENT 200312-06
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GLSA: 200312-06
Package: net-irc/xchat
Summary: Malformed dcc send requests in xchat-2.0.6 lead to a denial of
service
Severity: medium
Gentoo bug: 35623
Date: 2003-12-14
CVE: none
Exploit: remote
Affected: =2.0.6
Fixed: >=2.0.6-r1


DESCRIPTION:

There is a remotely exploitable bug in xchat 2.0.6 that could lead to a denial
of service attack. This is caused by sending a malformed DCC packet to xchat
2.0.6, causing it to crash. Versions prior to 2.0.6 do not appear to be
affected by this bug.

For more information, please see:

http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html


SOLUTION:

For Gentoo users, xchat-2.0.6 was marked ~arch (unstable) for most
architectures. Since it was never marked as stable in the portage tree, only
xchat users who have explictly added the unstable keyword to ACCEPT_KEYWORDS
are affected. Users may updated affected machines to the patched version of
xchat using the following commands:

emerge sync
emerge -pv '>=net-irc/xchat-2.0.6-r1'
emerge '>=net-irc/xchat-2.0.6-r1'
emerge clean
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