vTiger CRM 4.2 Input Fields index.php _server cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in vTiger CRM 4.2. This impacts an unknown function of the file index.php of the component Input Fields. This manipulation of the argument _server causes cross site scripting. This vulnerability is handled as CVE-2005-3818. The attack can be initiated remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in vTiger CRM 4.2 (Customer Relationship Management System). Affected by this vulnerability is an unknown functionality of the file index.php of the component Input Fields. The manipulation of the argument _server with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. The summary by CVE is:

Multiple cross-site scripting (XSS) vulnerabilities in vTiger CRM 4.2 and earlier allow remote attackers to inject arbitrary web script or HTML via (1) various input fields, including the contact, lead, and first or last name fields, (2) the record parameter in a DetailView action in the Leads module for index.php, (3) the $_SERVER[ PHP_SELF ] variable, which is used in multiple locations such as index.php, and (4) aggregated RSS feeds in the RSS aggregation module.

The bug was discovered 09/16/2005. The weakness was released 11/24/2005 by Christopher Kunz with Hardened PHP Project (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2005-3818 since 11/26/2005. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is possible to download the exploit 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 69 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 20317 (vTiger < 4.5a2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (23363), Exploit-DB (26584), Tenable (20317), SecurityFocus (BID 15562†) and OSVDB (21227†). Entries connected to this vulnerability are available at VDB-27097, VDB-27096, VDB-27095 and VDB-27094. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20317
Nessus Name: vTiger < 4.5a2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 20317
OpenVAS Name: string(dir, /index.php
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/16/2005 🔍
11/24/2005 +69 days 🔍
11/24/2005 +0 days 🔍
11/24/2005 +0 days 🔍
11/24/2005 +0 days 🔍
11/24/2005 +0 days 🔍
11/24/2005 +0 days 🔍
11/25/2005 +0 days 🔍
11/26/2005 +1 days 🔍
12/16/2005 +20 days 🔍
12/19/2005 +3 days 🔍
03/11/2015 +3369 days 🔍
12/29/2025 +3946 days 🔍

Sourcesinfo

Vendor: vtiger.com

Advisory: vupen.com⛔
Researcher: Christopher Kunz
Organization: Hardened PHP Project
Status: Confirmed

CVE: CVE-2005-3818 (🔍)
GCVE (CVE): GCVE-0-2005-3818
GCVE (VulDB): GCVE-100-27091
X-Force: 23363
SecurityFocus: 15562 - VTiger CRM Multiple Input Validation Vulnerabilities
Secunia: 17693 - vtiger CRM Multiple Vulnerabilities, Highly Critical
OSVDB: 21227 - vtiger CRM RSS Aggregation Module Feed XSS
SecurityTracker: 1015271
Vulnerability Center: 10036 - vTiger CRM up to 4.2 Multiple XSS, Medium
Vupen: ADV-2005-2569

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

Entryinfo

Created: 03/11/2015 23:39
Updated: 12/29/2025 04:50
Changes: 03/11/2015 23:39 (87), 06/12/2019 18:16 (1), 12/29/2025 04:50 (22)
Complete: 🔍
Cache ID: 216:30C:103

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

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