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TITLE:
Typespeed "addnewword()" Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA20379

VERIFY ADVISORY:
http://secunia.com/advisories/20379/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
Typespeed 0.x
http://secunia.com/product/1695/

DESCRIPTION:
A vulnerability has been reported in Typespeed, which potentially can
be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a boundary error within the
"addnewword()" function when copying data received from the network.
This can be exploited to cause a buffer overflow.

Successful exploitation requires that the user was enabled network
game.

The vulnerability has been reported in version 0.4.4. Other versions
may also be affected.

SOLUTION:
Host network games only when connected to trusted networks.

Some Linux vendors have issued updated packages.

PROVIDED AND/OR DISCOVERED BY:
Niko Tyni

ORIGINAL ADVISORY:
Debian:
http://www.us.debian.org/security/2006/dsa-1084

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