Server freezed in Skulltag 0.97d2-RC2

2008.06.17
Credit: Luigi Auriemma
Risk: Medium
Local: No
Remote: Yes
CVE: CVE-2008-2748
CWE: CWE-Other


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

####################################################################### 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_at_autistici&#46;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

References:

http://xforce.iss.net/xforce/xfdb/43125
http://www.securityfocus.com/bid/29760
http://www.securityfocus.com/archive/1/archive/1/493386/100/0/threaded
http://skulltag.com/testing/public/Skulltag%20Version%20History.txt
http://secunia.com/advisories/30668
http://aluigi.org/poc/skulltagloop.zip


See this note in RAW Version
Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}
Copyright 2024, cxsecurity.com

 

Back to Top