Nulllogic Null HTTP Server up to 0.5.0 404 Error Message cross site scripting

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nulllogic Null HTTP Server up to 0.5.0. It has been rated as problematic. The affected element is an unknown function of the component 404 Error Message. The manipulation leads to cross site scripting. This vulnerability is traded as CVE-2002-1497. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Nulllogic Null HTTP Server up to 0.5.0 (Web Server). This issue affects an unknown function of the component 404 Error Message. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-80. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. Impacted is integrity. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in Null HTTP Server 0.5.0 and earlier allows remote attackers to insert arbitrary HTML into a "404 Not Found" response.

The bug was discovered 09/02/2002. The weakness was shared 04/02/2003 by Matthew Murphy (mattmurphy) (Website). It is possible to read the advisory at freshmeat.net. The identification of this vulnerability is CVE-2002-1497. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 212 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 86386 (NullLogic Null HTTPd Error Page Cross-Site Scripting 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 (10004), Exploit-DB (21767), SecurityFocus (BID 5603†), OSVDB (9211†) and Vulnerability Center (SBV-14120†). The entry VDB-20278 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Web Server

Vendor

Nulllogic

Name

Null HTTP Server

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-80 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/02/2002 🔍
09/02/2002 +0 days 🔍
04/02/2003 +212 days 🔍
04/02/2003 +0 days 🔍
04/02/2003 +0 days 🔍
01/22/2007 +1391 days 🔍
08/08/2014 +2755 days 🔍
09/05/2025 +4046 days 🔍

Sourcesinfo

Advisory: freshmeat.net
Researcher: Matthew Murphy (mattmurphy)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2002-1497 (🔍)
GCVE (CVE): GCVE-0-2002-1497
GCVE (VulDB): GCVE-100-20279
X-Force: 10004 - Null httpd cross-site scripting
SecurityFocus: 5603 - NullLogic Null HTTPd Error Page Cross-Site Scripting Vulnerability
OSVDB: 9211 - NullLogic - Null HTTPd - Error Page - Cross-Site Scripting Vulnerability
Vulnerability Center: 14120 - NullLogic Null HTTPd Server Cross Site Scripting Attack, Low

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

Entryinfo

Created: 08/08/2014 12:24
Updated: 09/05/2025 13:12
Changes: 08/08/2014 12:24 (64), 07/14/2019 07:26 (3), 12/28/2024 06:58 (27), 09/05/2025 13:12 (3)
Complete: 🔍
Cache ID: 216::103