What is the CVSS score of CVE-2012-3863?

CVE-2012-3863 has a CVSS 2.0 base score of 4.0 (Medium). CVSS vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. EPSS exploitation probability: 7.2%.

Is there a patch available for CVE-2012-3863?

Yes, a patch is available for CVE-2012-3863. Update the affected software to the latest version immediately.

Asterisk Business Edition CVE-2012-3863

MEDIUM

Resource Management Errors (CWE-399)

2012-07-09 cve@mitre.org

Denial Of Service Asterisk Business Edition Asterisk Asteriske Certified Asterisk

4.0

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

4.0 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Confidentiality

None

Integrity

None

Availability

Lifecycle Timeline

CVE Published

Jul 09, 2012 - 10:20 cve.org

MEDIUM 4.0

DescriptionCVE.org

channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-399. channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses. Affected products include: Digium Asterisk Business Edition, Digium Asterisk, Digium Asteriske, Digium Certified Asterisk. Version information: before 1.8.13.1.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.