Cyberstop Web Server 0.1 GET Request memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Cyberstop Web Server 0.1. It has been classified as critical. Affected by this issue is some unknown functionality of the component GET Request Handler. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2002-0201. Moreover, an exploit is present. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Cyberstop Web Server 0.1 (Web Server). It has been rated as critical. This issue affects an unknown code block of the component GET Request Handler. 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 confidentiality, integrity, and availability. The summary by CVE is:

Cyberstop Web Server for Windows 0.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request, possibly triggering a buffer overflow.

The weakness was disclosed 05/16/2002 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-2002-0201. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Perl. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 10505 (Cyberstop Web Server Long Request Denial of Service Vulnerability).

Addressing this vulnerability is possible by firewalling .

The vulnerability is also documented in the databases at X-Force (7960), Exploit-DB (21237), SecurityFocus (BID 3930†) and Vulnerability Center (SBV-6454†). The entry VDB-18106 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2002 🔍
01/22/2002 +0 days 🔍
05/16/2002 +114 days 🔍
05/16/2002 +0 days 🔍
12/13/2004 +942 days 🔍
07/11/2014 +3497 days 🔍
09/22/2025 +4090 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-2002-0201 (🔍)
GCVE (CVE): GCVE-0-2002-0201
GCVE (VulDB): GCVE-100-18107
X-Force: 7960 - Cyberstop Easy Webserver long URL request denial of service
SecurityFocus: 3930 - Cyberstop Web Server Long Request DoS Vulnerability
Vulnerability Center: 6454 - DoS and Code Execution in Cyberstop Web Server for Windows 0.1 via Long HTTP GET Request, High

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

Entryinfo

Created: 07/11/2014 13:55
Updated: 09/22/2025 00:14
Changes: 07/11/2014 13:55 (65), 05/27/2019 10:35 (1), 04/08/2025 03:28 (21), 09/22/2025 00:14 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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