Digium Asterisk up to 13.0.0 Access Control List access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.6 | $0-$5k | 0.00 |
A vulnerability classified as critical was found in Digium Asterisk up to 13.0.0 (Communications System). Affected by this vulnerability is an unknown function of the component Access Control List. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity.
The weakness was disclosed 11/20/2014 by Andreas Steinmetz as AST-2014-012 as confirmed advisory (Website). The advisory is shared at downloads.asterisk.org. This vulnerability is known as CVE-2014-8412 since 10/22/2014. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
The vulnerability was handled as a non-public zero-day exploit for at least 26 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 79403 (FreeBSD : asterisk -- Multiple vulnerabilities (a92ed304-716c-11e4-b008-001999f8d30b)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks.
Upgrading to version 1.8.32.1, 11.14.1, 12.7.1 or 13.0.1 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:
The ACL code has been amended to compare the incoming packet's source address family against the address families for all rules.
The vulnerability is also documented in the databases at X-Force (98863) and Tenable (79403). The entries 68261, 68260, 68259 and 68258 are pretty similar.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 79403
Nessus Name: FreeBSD : asterisk -- Multiple vulnerabilities (a92ed304-716c-11e4-b008-001999f8d30b)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201412-51
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Asterisk 1.8.32.1/11.14.1/12.7.1/13.0.1
Timeline
10/22/2014 🔍10/25/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/21/2014 🔍
11/24/2014 🔍
11/24/2014 🔍
11/24/2014 🔍
12/09/2014 🔍
02/27/2022 🔍
Sources
Vendor: digium.comAdvisory: AST-2014-012
Researcher: Andreas Steinmetz
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-8412 (🔍)
X-Force: 98863 - Asterisk IP address security bypass, Medium Risk
SecurityTracker: 1031245 - Asterisk IP Address Checking Flaw Lets Remote Users Bypass Access Controls in Certain Cases
Vulnerability Center: 47478 - Asterisk Open Source and Certified Asterisk Remote Security Bypass via a Packet, Medium
SecurityFocus: 71218 - Multiple Asterisk Products Access Control List Security Bypass Vulnerability
See also: 🔍
Entry
Created: 11/24/2014 09:26Updated: 02/27/2022 07:19
Changes: 11/24/2014 09:26 (76), 12/24/2017 09:37 (11), 02/27/2022 07:13 (2), 02/27/2022 07:19 (1)
Complete: 🔍
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