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

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7.9$0-$5k0.00

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.

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

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

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Recommended: no mitigation known
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08/02/2013 🔍
08/02/2013 +0 days 🔍
08/02/2013 +0 days 🔍
08/12/2013 +10 days 🔍
08/15/2013 +3 days 🔍
03/23/2019 +2046 days 🔍

Sourcesinfoedit

Advisory: A journey to antivirus escalation
Researcher: Ahmad Moghimi
Status: Not defined
Secunia: 54477 - Agnitum Outpost Security Suite Pro Two Vulnerabilities, Less Critical
OSVDB: 96208

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

Created: 08/15/2013 05:46 PM
Updated: 03/23/2019 03:15 PM
Changes: (6) source_secunia source_secunia_date source_secunia_title source_secunia_risk source_exploitdb_date vulnerability_cwe
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