S.T.A.L.K.E.R. game server MultipacketReciever::RecievePacket() denial of service

stalker-multipacketreceiver-dos (43458)

Medium Risk

Description:

The S.T.A.L.K.E.R. game server is vulnerable to a denial of service, caused by an error in the MultipacketReciever::RecievePacket() function. By sending a specially-crafted packet, a remote attacker could exploit this vulnerability to cause the server to terminate.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	4.3
Exploitability:	Proof-of-Concept
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

• Luigi Auriemma Advisories, 28 Jun 2008: S.T.A.L.K.E.R.: Shadow of Chernobyl.
• S.T.A.L.K.E.R. Web site: S.T.A.L.K.E.R.: Shadow of Chernobyl.
• BID-29997: S.T.A.L.K.E.R Shadow of Chernobyl Multiple Remote Vulnerabilities
• CVE-2008-6705: The MultipacketReciever::RecievePacket function in S.T.A.L.K.E.R.: Shadow of Chernobyl 1.0006 and earlier allows remote attackers to cause a denial of service (server termination) via a crafted packet without an expected 0xe0 or 0xe1 value, which triggers the INT3 instruction.
• SA30891: S.T.A.L.K.E.R.: Shadow of Chernobyl Multiple Vulnerabilities

Platforms Affected:

• GSC Game World STALKER 1.0006

Reported:

Jun 28, 2008

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