Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2002-0964

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
04/10/2002
Last modified:
03/04/2025

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:valve_software:half-life:1.1.0.4:*:linux:*:*:*:*:*
cpe:2.3:a:valve_software:half-life:1.1.0.4:*:windows:*:*:*:*:*
cpe:2.3:a:valve_software:half-life:1.1.0.8:*:*:*:*:*:*:*
cpe:2.3:a:valve_software:half-life:1.1.0.9:*:*:*:*:*:*:*
cpe:2.3:a:valve_software:half-life:1.1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:valve_software:half-life_dedicated_server:*:*:*:*:*:*:*:* 3.1 (including)
cpe:2.3:a:valve_software:half-life_dedicated_server:3.1.3:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools