lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 16 Jun 2008 22:50:57 +0100 From: Luigi Auriemma <aluigi@...istici.org> To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk, packet@...ketstormsecurity.org, cert@...t.org, news@...uriteam.com Subject: Server freezed in Skulltag 0.97d2-RC2 ####################################################################### Luigi Auriemma Application: Skulltag http://www.skulltag.com Versions: <= 0.97d2-RC2 Platforms: Windows, Linux and FreeBSD Bug: loop during the parsing of the packets Exploitation: remote, versus server Date: 16 Jun 2008 Author: Luigi Auriemma e-mail: aluigi@...istici.org web: aluigi.org ####################################################################### 1) Introduction 2) Bug 3) The Code 4) Fix ####################################################################### =============== 1) Introduction =============== Skulltag is a port of the original Doom mainly focused on multiplayer gaming. ####################################################################### ====== 2) Bug ====== Skulltag is affected by a problem in the parsing of some packets with the result of freezing the entine server for some seconds through the sending of a single big malformed packet which is parsed multiple times. This Denial of Service can be made endless using multiple malformed packets at regular intervals. ####################################################################### =========== 3) The Code =========== http://aluigi.org/poc/skulltagloop.zip ####################################################################### ====== 4) Fix ====== Version 0.97d2-RC3 ####################################################################### --- Luigi Auriemma http://aluigi.org
Powered by blists - more mailing lists