Valve Software Half-Life CSTRIKE Dedicated Server up to 1.6 sv_checkforduplicatenames memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Valve Software Half-Life CSTRIKE Dedicated Server up to 1.6 and classified as problematic. The affected element is the function sv_checkforduplicatenames. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2006-0734. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Valve Software Half-Life CSTRIKE Dedicated Server up to 1.6 and classified as problematic. Affected by this issue is the function sv_checkforduplicatenames. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. CVE summarizes:

The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.6 and earlier allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a backslash character at the end of a connection string to UDP port 27015.

The weakness was published 02/13/2006 by STORM (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2006-0734 since 02/16/2006. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed for exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Firestorm in Perl and been published even before and not after the advisory. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (33505), Exploit-DB (1483), SecurityFocus (BID 16619†) and OSVDB (23389†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Firestorm
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/11/2006 🔍
02/11/2006 +0 days 🔍
02/13/2006 +2 days 🔍
02/13/2006 +0 days 🔍
02/16/2006 +2 days 🔍
02/16/2006 +0 days 🔍
02/21/2006 +5 days 🔍
03/12/2015 +3305 days 🔍
03/28/2025 +3668 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: STORM
Status: Confirmed

CVE: CVE-2006-0734 (🔍)
GCVE (CVE): GCVE-0-2006-0734
GCVE (VulDB): GCVE-100-28760
X-Force: 33505 - Half-Life server SV_CheckForDuplicateNames denial of service
SecurityFocus: 16619 - Valve Software Half-Life CSTRIKE Server Remote Denial of Service Vulnerability
OSVDB: 23389 - Half-Life CSTRIKE Dedicated Server UDP Port 27015 DoS

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/12/2015 11:11
Updated: 03/28/2025 00:36
Changes: 03/12/2015 11:11 (54), 08/04/2017 08:51 (12), 03/28/2025 00:36 (21)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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