Digium Asterisk up to 12.3.0 Manager command injection

CVSS Meta Temp Score
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Digium Asterisk. Impacted is an unknown function of the component Manager. The manipulation results in command injection. This vulnerability is known as CVE-2014-4046. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Digium Asterisk (Communications System). Affected is an unknown part of the component Manager. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, and integrity. CVE summarizes:

Asterisk Open Source 11.x before 11.10.1 and 12.x before 12.3.1 and Certified Asterisk 11.6 before 11.6-cert3 allows remote authenticated Manager users to execute arbitrary shell commands via a MixMonitor action.

The weakness was published 06/12/2014 by Corey Farrell with Core as AST-2014-006 as confirmed advisory (Website). The advisory is available at downloads.asterisk.org. The public release has been coordinated with the vendor. This vulnerability is traded as CVE-2014-4046 since 06/12/2014. Local access is required to approach this attack. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project. The advisory points out:

Manager users can execute arbitrary shell commands with the MixMonitor manager action.

The vulnerability was handled as a non-public zero-day exploit for at least 64 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 76087 (Asterisk Manager Interface MixMonitor Privilege Escalation (AST-2014-006)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

Upgrade to a version with the patch integrated, apply the patch, or do not allow users who should not have permission to run shell commands to use AMI.

The vulnerability is also documented in the databases at X-Force (93798), Tenable (76087), SecurityFocus (BID 68040†), SecurityTracker (ID 1030426†) and Vulnerability Center (SBV-45084†). Further details are available at issues.asterisk.org. Similar entries are available at VDB-13591, VDB-13589 and VDB-13588. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Digium Asterisk Open Source up to 11.10.0/12.3.0
  • Digium Asterisk up to 11.5

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.4
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76087
Nessus Name: Asterisk Manager Interface MixMonitor Privilege Escalation (AST-2014-006)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

04/09/2014 🔍
06/12/2014 +64 days 🔍
06/12/2014 +0 days 🔍
06/12/2014 +0 days 🔍
06/12/2014 +0 days 🔍
06/12/2014 +0 days 🔍
06/13/2014 +1 days 🔍
06/13/2014 +0 days 🔍
06/17/2014 +4 days 🔍
06/17/2014 +0 days 🔍
06/23/2014 +6 days 🔍
06/22/2021 +2556 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: AST-2014-006
Researcher: Corey Farrell
Organization: Core
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2014-4046 (🔍)
GCVE (CVE): GCVE-0-2014-4046
GCVE (VulDB): GCVE-100-13590

IAVM: 🔍

X-Force: 93798 - Asterisk MixMonitor command execution, High Risk
SecurityFocus: 68040 - Multiple Asterisk Products CVE-2014-4046 Remote Privilege Escalation Vulnerability
SecurityTracker: 1030426 - Asterisk MixMonitor Lets Remote Authenticated Users Execute Arbitrary Shell Commands
Vulnerability Center: 45084 - Asterisk Open Source 11, 12 and Certified Asterisk 11 Remote Security Bypass and Commands Injection via MixMonitor, Medium

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 06/13/2014 17:45
Updated: 06/22/2021 21:35
Changes: 06/13/2014 17:45 (80), 05/31/2017 08:58 (11), 06/22/2021 21:35 (3)
Complete: 🔍
Cache ID: 216:884:103

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