Secunia Security Advisory - Luigi Auriemma has reported some vulnerabilities in Vavoom, which can be exploited by malicious people to cause a DoS (Denial of Service) or potentially compromise a vulnerable system.
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TITLE:
Vavoom Multiple Vulnerabilities
SECUNIA ADVISORY ID:
SA26554
VERIFY ADVISORY:
http://secunia.com/advisories/26554/
CRITICAL:
Highly critical
IMPACT:
DoS, System access
WHERE:
>From remote
SOFTWARE:
Vavoom 1.x
http://secunia.com/product/8925/
DESCRIPTION:
Luigi Auriemma has reported some vulnerabilities in Vavoom, which can
be exploited by malicious people to cause a DoS (Denial of Service) or
potentially compromise a vulnerable system.
1) A format string error exists within the "SAY" command in
sv_main.cpp. This can be exploited to crash the server or potentially
execute arbitrary code by sending a specially crafted chat message
containing format specifiers.
2) A boundary error exists within the "VThinker::BroadcastPrintf()"
function in p_thinker.cpp. This can be exploited to cause a buffer
overflow by sending an overly long chat message.
Successful exploitation may allow the execution of arbitrary code.
3) An assertion error exists within the "VStr::Resize()" function in
str.cpp. This can be exploited to crash a server by e.g. sending a
specially crafted UDP datagram to the server (default port 26000).
SOLUTION:
Use in trusted network environments only.
PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma
ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/vaboom2-adv.txt
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