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SecurityAlert : 3214 CVE : CVE-2007-5369 SecurityRisk : Medium  (About) Remote Exploit : Yes Local Exploit : No Exploit Available : Yes Credit : Luigi Auriemma Published : 14.10.2007
Advisory Content : ####################################################################### Luigi Auriemma Application: World in Conflict http://www.worldinconflict.com Versions: <= 1.000 Platforms: Windows Bug: access to NULL pointer Exploitation: remote, versus server Date: 09 Oct 2007 Author: Luigi Auriemma e-mail: aluigi (at) autistici (dot) org [email concealed] web: aluigi.org ####################################################################### 1) Introduction 2) Bug 3) The Code 4) Fix ####################################################################### =============== 1) Introduction =============== World in conflict is a RTS game developed by Massive Entertainment (http://www.massive.se) and released about a month ago. ####################################################################### ====== 2) Bug ====== The server is vulneable to a Denial of Service attack (crash) caused by the access to a NULL pointer. The problem happens in the GetMagicNumberString function which takes the third byte of the data received from the client on the VOIP port 52999 and returns a text string if this value is valid ("ABC" for type 0, "DEF" for 1, "GHI" for 2 and so on) or NULL if it's invalid. Then the string returned by this function is compared with another one and here happens the NULL pointer access. ####################################################################### =========== 3) The Code =========== Connect to the VOIP port of the server (default 52999) with telnet or netcat and type something like aaaaaaa. The server will crash immediately. ####################################################################### ====== 4) Fix ====== Patch v1.001 (aka Update #001) ####################################################################### --- Luigi Auriemma http://aluigi.org http://forum.aluigi.org http://mirror.aluigi.org  Feedback : If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com. |
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libc:fts_*() Multiple Denial of Service
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