VDB-83355 · Nessus 20824 · BID 15871

Limbo CMS index2.php $_SERVER['REMOTE_ADDR'] command injection

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in Limbo CMS. This affects an unknown function of the file index2.php. Performing a manipulation of the argument $_SERVER['REMOTE_ADDR'] results in command injection. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Limbo CMS (Content Management System) (version now known). It has been classified as critical. This affects some unknown processing of the file index2.php. The manipulation of the argument $_SERVER['REMOTE_ADDR'] with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 12/14/2005 by rgod (Website). It is possible to read the advisory at rgod.altervista.org. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

After even before and not, there has been an exploit disclosed. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:index2.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 20824 (Limbo CMS 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.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (20824), SecurityFocus (BID 15871†), OSVDB (21756†) and Secunia (SA18063†). Similar entries are available at VDB-27568, VDB-27567, VDB-27566 and VDB-27565. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Content Management System

Vendor

Limbo

Name

License

open-source

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

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 20824
Nessus Name: Limbo CMS Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/14/2005 🔍
12/14/2005 +0 days 🔍
12/14/2005 +0 days 🔍
12/15/2005 +1 days 🔍
01/30/2006 +45 days 🔍
05/05/2016 +3748 days 🔍
07/28/2022 +2275 days 🔍

Sourcesinfo

Advisory: rgod.altervista.org
Researcher: rgod
Status: Not defined

GCVE (VulDB): GCVE-100-83355
SecurityFocus: 15871 - Limbo CMS Multiple Input Validation Vulnerabilities
Secunia: 18063
OSVDB: 21756 - Limbo CMS index2.php _SERVER[REMOTE_ADDR] Variable Arbitrary PHP Command Execution

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

Entryinfo

Created: 05/05/2016 07:53
Updated: 07/28/2022 09:57
Changes: 05/05/2016 07:53 (54), 11/13/2018 09:45 (5), 07/28/2022 09:57 (2)
Complete: 🔍
Cache ID: 216::103

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