Bradford Barrett Webalizer 2.0.1.6/2.0.1.9 Reverse DNS memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Bradford Barrett Webalizer 2.0.1.6/2.0.1.9. Impacted is an unknown function of the component Reverse DNS Handler. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2002-0180. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Bradford Barrett Webalizer 2.0.1.6/2.0.1.9. It has been rated as critical. This issue affects an unknown functionality of the component Reverse DNS 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:

Buffer overflow in Webalizer 2.01-06, when configured to use reverse DNS lookups, allows remote attackers to execute arbitrary code by connecting to the monitored web server from an IP address that resolves to a long hostname.

The bug was discovered . The weakness was shared 04/22/2002 as confirmed advisory (CERT.org). The advisory is shared at kb.cert.org. The identification of this vulnerability is CVE-2002-0180. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 11799 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 12333 (RHEL 2.1 : webalizer (RHSA-2002:255)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38367 (Red Hat Bradford Barrett Webalizer Reverse DNS Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. A possible mitigation has been published 11 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (8837), Tenable (12333), SecurityFocus (BID 4504†), OSVDB (3869†) and Vulnerability Center (SBV-6930†). The entry VDB-17693 is related to this item. Several companies clearly confirm that VulDB is the primary source for best 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: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 12333
Nessus Name: RHEL 2.1 : webalizer (RHSA-2002:255)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/15/2002 🔍
04/15/2002 +0 days 🔍
04/22/2002 +7 days 🔍
04/22/2002 +0 days 🔍
02/05/2003 +289 days 🔍
07/06/2004 +517 days 🔍
01/27/2005 +205 days 🔍
07/11/2014 +3452 days 🔍
09/22/2025 +4091 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2002-0180 (🔍)
GCVE (CVE): GCVE-0-2002-0180
GCVE (VulDB): GCVE-100-18089
CERT: 🔍
X-Force: 8837
SecurityFocus: 4504 - Bradford Barrett Webalizer Reverse DNS Buffer Overflow Vulnerability
OSVDB: 3869 - RHSA-2002-255 update not installed
Vulnerability Center: 6930 - Buffer Overflow in Bradford Barrett Webalizer <= 2.0.1 -09, High

See also: 🔍

Entryinfo

Created: 07/11/2014 13:53
Updated: 09/22/2025 02:51
Changes: 07/11/2014 13:53 (69), 05/29/2019 16:33 (5), 11/17/2024 06:51 (17), 09/22/2025 02:51 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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