CVE-2002-0964: Medium severity Valve Software Half-life Dedicated Server vulnerability
Half-Life Server 1.1.1.0 and earlier allows remote attackers to cause a denial of service (resource exhaustion) via multiple responses to the initial challenge with different cdkey values, which reaches the player limit and prevents other players from connecting until the original responses have timed out.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2002-0964?
CVE-2002-0964 is considered a denial of service vulnerability that can significantly disrupt game server availability.
How does CVE-2002-0964 affect Half-Life servers?
CVE-2002-0964 allows remote attackers to exhaust server resources by sending multiple challenge responses with different cd_key values.
Is there a patch available for CVE-2002-0964?
No formal patch is available for CVE-2002-0964, but implementing server-side protections can mitigate the risk.
Which versions of Half-Life are affected by CVE-2002-0964?
CVE-2002-0964 affects Half-Life versions 1.1.0.4 through 1.1.1.0 and Half-Life Dedicated Server versions up to 3.1.3.
What are potential mitigations for CVE-2002-0964?
Potential mitigations for CVE-2002-0964 include limiting the number of player connections and implementing strong user authentication.