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.

Vulnerability/
CVE-2002-0964

medium

CWE

NVD-CWE-Other

4/10/2002

2/4/2003

8/8/2024

CVE-2002-0964

First published: Fri Oct 04 2002(Updated: )

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 cd_key values, which reaches the player limit and prevents other players from connecting until the original responses have timed out.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Half-Life Dedicated Server	=3.1.3
Half-Life	=1.1.0.8
Half-Life	=1.1.0.9
Half-Life	=1.1.1.0
Half-Life	=1.1.0.4
Half-Life	=1.1.0.4
Half-Life Dedicated Server	<=3.1

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Reference Links

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.

agent/type
agent/first-publish-date
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/severity
agent/references
agent/author
agent/weakness
agent/last-modified-date
agent/description
agent/event
agent/source
agent/tags
collector/nvd-historical
agent/software-canonical-lookup-request
collector/nvd-index
vendor/valve software
canonical/half-life dedicated server
version/half-life dedicated server/3.1.3
canonical/half-life
version/half-life/1.1.0.8
version/half-life/1.1.0.9
version/half-life/1.1.1.0
version/half-life/1.1.0.4
version/half-life dedicated server/3.1

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