Javascript Xerver HTTP Server 4.31 input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Javascript Xerver HTTP Server 4.31. This affects an unknown function. The manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2009-4086. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in Javascript Xerver HTTP Server 4.31 (Web Server) and classified as critical. This issue affects some unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is integrity. The summary by CVE is:

CRLF injection vulnerability in Xerver HTTP Server 4.31 and 4.32 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via certain byte sequences at the end of a URL. NOTE: some of these details are obtained from third party information.

The weakness was disclosed 11/29/2009 (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2009-4086. 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.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 42896 (Xerver HTTP Response Splitting), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Web Servers.

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 (54356), Tenable (42896), SecurityFocus (BID 37064†) and Vulnerability Center (SBV-24258†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 🔍

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Nessus ID: 42896
Nessus Name: Xerver HTTP Response Splitting
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 100355
OpenVAS Name: Xerver HTTP Response Splitting Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/18/2009 🔍
11/18/2009 +0 days 🔍
11/25/2009 +7 days 🔍
11/27/2009 +1 days 🔍
11/29/2009 +2 days 🔍
11/29/2009 +0 days 🔍
11/30/2009 +1 days 🔍
03/18/2015 +1934 days 🔍
01/26/2025 +3602 days 🔍

Sourcesinfo

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2009-4086 (🔍)
GCVE (CVE): GCVE-0-2009-4086
GCVE (VulDB): GCVE-100-50927
X-Force: 54356
SecurityFocus: 37064 - Xerver HTTP Response Splitting Vulnerability
Vulnerability Center: 24258 - Xerver 4.31 and 4.32 Remote HTTP Response Splitting Vulnerability, Medium

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 01/26/2025 09:29
Changes: 03/18/2015 15:15 (56), 02/17/2017 12:26 (9), 08/28/2021 08:12 (3), 08/28/2021 08:17 (2), 01/26/2025 09:29 (24)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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