Vulnerability Monitor

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CVE-2014-6609

The res_pjsip_pubsub module in Asterisk Open Source 12.x before 12.5.1 allows remote authenticated users to cause a denial of service (crash) via crafted headers in a SIP SUBSCRIBE request for an event package.

Security Impact Summary

CVE-2014-6609 is a security vulnerability that . Impacting 1 product from digium organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-11-26T15:59:01.447

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	digium	asterisk	12.0.0	Yes
Application	digium	asterisk	12.1.0	Yes
Application	digium	asterisk	12.1.0	Yes
Application	digium	asterisk	12.1.0	Yes
Application	digium	asterisk	12.1.0	Yes
Application	digium	asterisk	12.2.0	Yes
Application	digium	asterisk	12.2.0	Yes
Application	digium	asterisk	12.2.0	Yes
Application	digium	asterisk	12.2.0	Yes
Application	digium	asterisk	12.3.0	Yes
Application	digium	asterisk	12.3.0	Yes
Application	digium	asterisk	12.3.0	Yes
Application	digium	asterisk	12.4.0	Yes
Application	digium	asterisk	12.4.0	Yes
Application	digium	asterisk	12.5.0	Yes
Application	digium	asterisk	12.5.0	Yes

References

http://downloads.asterisk.org/pub/security/AST-2014-009.html Patch, Vendor Advisory ([email protected])
http://downloads.asterisk.org/pub/security/AST-2014-009.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For digium's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.