Plohni Advanced Comment System 1.0 Installation index.php ACS_path code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

A vulnerability classified as critical has been found in Plohni Advanced Comment System 1.0. Affected is some unknown functionality of the file index.php of the component Installation. The manipulation of the argument ACS_path with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Multiple PHP remote file inclusion vulnerabilities in Advanced Comment System 1.0 allow remote attackers to execute arbitrary PHP code via a URL in the ACS_path parameter to (1) index.php and (2) admin.php in advanced_comment_system/. NOTE: this might only be a vulnerability when the administrator has not followed installation instructions in install.php.

The weakness was released 01/18/2010 (Website). The advisory is available at milw0rm.com. This vulnerability is traded as CVE-2009-4623 since 01/18/2010. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

A public exploit has been developed by Kurd-Team and been published even before and not after the advisory. The exploit is shared for download 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 130 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.

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 Exploit-DB (9623).

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Kurd-Team
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/10/2009 🔍
09/10/2009 +0 days 🔍
09/11/2009 +1 days 🔍
01/18/2010 +129 days 🔍
01/18/2010 +0 days 🔍
01/18/2010 +0 days 🔍
03/18/2015 +1885 days 🔍
12/19/2017 +1007 days 🔍

Sourcesinfo

Advisory: milw0rm.com
Status: Confirmed

CVE: CVE-2009-4623 (🔍)
Secunia: 36643 - Advanced Comment System "ACS_path" File Inclusion Vulnerability, Highly Critical

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

Entryinfo

Created: 03/18/2015 15:15
Updated: 12/19/2017 08:21
Changes: 03/18/2015 15:15 (46), 12/19/2017 08:21 (14)
Complete: 🔍

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