BRS Webweaver up to 1.0.6 HTTP Request User-Agent memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in BRS Webweaver. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component HTTP Request Handler. The manipulation of the argument User-Agent leads to memory corruption. This vulnerability is documented as CVE-2003-1165. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in BRS Webweaver. It has been rated as critical. This issue affects an unknown code block of the component HTTP Request Handler. The manipulation of the argument User-Agent 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:

Buffer overflow in BRS WebWeaver 1.06 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via an HTTP request with a long User-Agent header.

The bug was discovered 11/01/2003. The weakness was released 12/31/2003 by D4rkGr3y with SecurityLab.RU (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2003-1165 since 05/04/2005. 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 as well as a public exploit are known.

A public exploit has been developed in ANSI C. 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 60 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 86602 (BRS WebWeaver httpd `User-Agent` Remote Denial of Service Vulnerability).

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 (13571), Exploit-DB (23325), SecurityFocus (BID 8947†), OSVDB (18855†) and Vulnerability Center (SBV-5866†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base 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
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/01/2003 🔍
11/01/2003 +0 days 🔍
11/01/2003 +0 days 🔍
12/31/2003 +60 days 🔍
12/31/2003 +0 days 🔍
11/22/2004 +327 days 🔍
05/04/2005 +163 days 🔍
08/22/2014 +3397 days 🔍
07/17/2025 +3982 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: D4rkGr3y
Organization: SecurityLab.RU
Status: Not defined

CVE: CVE-2003-1165 (🔍)
GCVE (CVE): GCVE-0-2003-1165
GCVE (VulDB): GCVE-100-21131
X-Force: 13571
SecurityFocus: 8947 - BRS WebWeaver httpd `User-Agent` Remote Denial of Service Vulnerability
OSVDB: 18855 - BRS - WebWeaver - httpd `User-Agent` - Remote Denial of Service Issue
Vulnerability Center: 5866 - BRS Web Weaver <= 1.06 Allow DoS, High

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

Entryinfo

Created: 08/22/2014 15:50
Updated: 07/17/2025 22:21
Changes: 08/22/2014 15:50 (64), 06/04/2019 16:19 (4), 12/15/2024 18:32 (21), 07/17/2025 22:21 (3)
Complete: 🔍
Cache ID: 216::103

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

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