A51dev Activecollab Chat Module prior 1.0 preg_replace message[message_text] input validation

EntryHistoryDiffjsonxmlCTI

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.
5.9	$0-$5k	0.00

A vulnerability classified as critical has been found in A51dev Activecollab Chat Module (Chat Software). Affected is the function preg_replace. The manipulation of the argument message[message_text] with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

functions/html_to_text.php in the Chat module before 1.5.2 for activeCollab allows remote authenticated users to execute arbitrary PHP code via the message[message_text] parameter to chat/add_messag, which is not properly handled when executing the preg_replace function with the eval switch.

The weakness was published 05/23/2013 with stratsec (Website). The advisory is available at exploit-db.com. This vulnerability is traded as CVE-2012-6554 since 05/23/2013. The exploitability is told to be easy. It is possible to launch the attack remotely. The successful exploitation needs a authentication. Technical details and a public exploit are known.

The exploit is shared for download at exploit-db.com. It is declared as highly functional.

Upgrading to version 1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (75741) and Exploit-DB (18898).

Productinfo

Type

Chat Software

Vendor

A51dev

Name

Activecollab Chat Module

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.9
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: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

MetaSploit ID: activecollab_chat.rb
MetaSploit Name: Active Collab chat module Remote PHP Code Injection Exploit
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Activecollab Chat Module 1.0

Timelineinfo

05/21/2012 🔍
05/23/2013 +367 days 🔍
05/23/2013 +0 days 🔍
05/23/2013 +0 days 🔍
03/24/2015 +670 days 🔍
02/21/2018 +1065 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Organization: stratsec
Status: Confirmed

CVE: CVE-2012-6554 (🔍)
X-Force: 75741 - Chat module for activeCollab preg_replace() code execution
SecurityFocus: 53624 - activeCollab Chat Module Arbitrary PHP Code Execution Vulnerability
Secunia: 49246
OSVDB: 81966

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

Entryinfo

Created: 03/24/2015 15:54
Updated: 02/21/2018 09:12
Changes: 03/24/2015 15:54 (56), 02/21/2018 09:12 (10)
Complete: 🔍