Digium Asterisk 11.6.0/11.14.0 ConfBridge Application resource management

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.6 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Digium Asterisk 11.6.0/11.14.0. This issue affects some unknown processing of the component ConfBridge Application. Performing a manipulation results in resource management. This vulnerability is cataloged as CVE-2014-8414. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Digium Asterisk 11.6.0/11.14.0 (Communications System). This affects some unknown functionality of the component ConfBridge Application. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability.
The weakness was shared 11/20/2014 by Ben Klang as AST-2014-014 as confirmed advisory (Website). It is possible to read the advisory at downloads.asterisk.org. This vulnerability is uniquely identified as CVE-2014-8414 since 10/22/2014. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 79401 (FreeBSD : asterisk -- Multiple vulnerabilities (7bfd797c-716d-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 11.14.1 or 11.6-cert8 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (98865), Tenable (79401), SecurityFocus (BID 71222†), SecurityTracker (ID 1031247†) and Vulnerability Center (SBV-47387†). The entries VDB-68263, VDB-68262, VDB-68261 and VDB-68260 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.digium.com/
CPE 2.3
CPE 2.2
CVSSv4
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
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
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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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 79401
Nessus Name: FreeBSD : asterisk -- Multiple vulnerabilities (7bfd797c-716d-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 11.14.1/11.6-cert8
Timeline
10/19/2014 🔍10/22/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/20/2014 🔍
11/21/2014 🔍
11/24/2014 🔍
11/24/2014 🔍
11/24/2014 🔍
12/03/2014 🔍
02/27/2022 🔍
Sources
Vendor: digium.comAdvisory: AST-2014-014
Researcher: Ben Klang
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2014-8414 (🔍)
GCVE (CVE): GCVE-0-2014-8414
GCVE (VulDB): GCVE-100-68259
X-Force: 98865 - Asterisk ConfBridge denial of service, Medium Risk
SecurityFocus: 71222 - Multiple Asterisk Products ConfBridge Denial of Service Vulnerability
SecurityTracker: 1031247 - Asterisk ConfBridge State Transition Error Lets Remote Users Deny Service
Vulnerability Center: 47387 - Digium Asterisk and Certified Asterisk Remote DoS via Triggering Delayed Transitions, Medium
See also: 🔍
Entry
Created: 11/24/2014 09:32Updated: 02/27/2022 07:37
Changes: 11/24/2014 09:32 (81), 12/24/2017 09:37 (5), 02/27/2022 07:31 (3), 02/27/2022 07:37 (1)
Complete: 🔍
Cache ID: 216:A8F:103
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