Agnitum Outpost Security Suite Pro 8.1 (4303.670.1908) Named Pipe acs.exe common_handler path traversal

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.
7.9	$0-$5k	0.00

A vulnerability was found in Agnitum Outpost Security Suite Pro 8.1 (4303.670.1908). It has been declared as critical. This vulnerability affects an unknown code block of the file acs.exe of the component Named Pipe Handler. The manipulation of the argument common_handler with the input value ../../ leads to a directory traversal vulnerability. The CWE definition for the vulnerability is CWE-22. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 08/02/2013 by Ahmad Moghimi as A journey to antivirus escalation as not defined blog post (Website). The advisory is shared for download at mallocat.com. The public release happened without coordination with the vendor. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known. The advisory points out:

The software uses a main service acs.exe. acs.exe is Agnitum client service and run as system user. All of the functionality of the internet security suite pass through this service and the service use various components. (…) Agnitum client service (acs.exe) register a named pipe and allow communication through this named pipe. It is possible get a handle to this named pipe through " \.pipeacsipc_server" path. Sub_ 4F7580 at acs.exe module is responsible for reading data from the mentioned named pipe.

A public exploit has been developed by Ahmad Moghimi and been published immediately after the advisory. It is declared as proof-of-concept. It is possible to download the exploit at mallocat.com.

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 vulnerability database at Secunia (SA54477). The entry 9953 is pretty similar.

Productinfoedit

Vendor

Agnitum

Name

Outpost Security Suite Pro

CPE 2.3infoedit

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CPE 2.2infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.4
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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Exploitinginfoedit

Class: Directory traversal
CWE: CWE-22
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Ahmad Moghimi
Download: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍