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.
Affected products
- Valve Software / half-life1.1.0.4 – 1.1.0.4
- Valve Software / half-life1.1.0.4 – 1.1.0.4
- Valve Software / half-life1.1.0.8 – 1.1.0.8
- Valve Software / half-life1.1.0.9 – 1.1.0.9
- Valve Software / half-life1.1.1.0 – 1.1.1.0
- Valve Software / half-life_dedicated_server3.1
- Valve Software / half-life_dedicated_server3.1.3 – 3.1.3