Digium Asterisk prior C.3.7.4 GUI improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability was found in Digium Asterisk (Communications System). It has been classified as critical. Affected is an unknown part of the component GUI. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

main/manager.c in the Manager Interface in Asterisk Open Source 1.6.2.x before 1.6.2.24, 1.8.x before 1.8.11.1, and 10.x before 10.3.1 and Asterisk Business Edition C.3.x before C.3.7.4 does not properly enforce System class authorization requirements, which allows remote authenticated users to execute arbitrary commands via (1) the originate action in the MixMonitor application, (2) the SHELL and EVAL functions in the GetVar manager action, or (3) the SHELL and EVAL functions in the Status manager action.

The weakness was released 04/23/2012 by Jonathan Rose as AST-2012-004 as not defined knowledge base article (Website). The advisory is shared for download at downloads.asterisk.org. This vulnerability is traded as CVE-2012-2414 since 04/23/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 59003 (Fedora 15 : asterisk-1.8.11.1-1.fc15 (2012-6724)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l.

Upgrading to version C.3.7.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13047.

The vulnerability is also documented in the databases at X-Force (75100) and Tenable (59003). Entries connected to this vulnerability are available at 5317 and 5318.

Productinfo

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Vendor

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 59003
Nessus Name: Fedora 15 : asterisk-1.8.11.1-1.fc15 (2012-6724)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71262
OpenVAS Name: Debian Security Advisory DSA 2460-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Asterisk C.3.7.4
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

04/23/2012 🔍
04/23/2012 +0 days 🔍
04/23/2012 +0 days 🔍
04/23/2012 +0 days 🔍
04/27/2012 +4 days 🔍
04/30/2012 +3 days 🔍
04/30/2012 +0 days 🔍
05/03/2012 +3 days 🔍
05/07/2012 +4 days 🔍
05/24/2012 +17 days 🔍
03/24/2021 +3226 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: AST-2012-004
Researcher: Jonathan Rose
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-2414 (🔍)
OVAL: 🔍

X-Force: 75100
Vulnerability Center: 35154 - Asterisk Open Source Manager Interface main/manager.c Remote Authenticated Code Execution, Medium
SecurityFocus: 53206 - Asterisk Shell Command Execution Security Bypass Vulnerability
Secunia: 48891 - Asterisk Multiple Vulnerabilities, Moderately Critical
OSVDB: 81454

See also: 🔍

Entryinfo

Created: 05/03/2012 14:43
Updated: 03/24/2021 09:31
Changes: 05/03/2012 14:43 (77), 12/24/2017 09:36 (12), 03/24/2021 09:31 (3)
Complete: 🔍

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