CVE-2002-0964 Denial of service in n/a
Remote attackers can exhaust server resources by sending multiple challenge responses, preventing legitimate players from connecting to the Half-Life server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2002-0964?
CVE-2002-0964 is a medium-severity denial of service vulnerability in n/a, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2002-0964?
It affects 2 products.
Products include Valve Software Half-Life, Valve Software Half-Life Dedicated Server.
How do I fix CVE-2002-0964?
No fix has been published for CVE-2002-0964 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2002-0964 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-0964 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as GHSA-p2q4-m99w-xgjx.