CVE-2012-3863: Medium severity asterisk business edition vulnerability
channels/chansip.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 Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What types of vulnerabilities are associated with CVE-2012-3863?
CVE-2012-3863 is characterized by a failure to properly handle provisioning requests, leading to potential denial of service.
What is the severity level of CVE-2012-3863?
The severity level of CVE-2012-3863 has been classified as high due to its impact on service availability.
How can I mitigate the risks associated with CVE-2012-3863?
To mitigate the risks of CVE-2012-3863, it is recommended to upgrade to the latest versions of Asterisk that have addressed this vulnerability.
Which versions of Asterisk are affected by CVE-2012-3863?
CVE-2012-3863 affects Asterisk Open Source versions prior to 1.8.13.1 and 10.x versions prior to 10.5.2.
Is CVE-2012-3863 specific to certain types of Asterisk deployments?
Yes, CVE-2012-3863 specifically impacts the Asterisk Open Source, Asterisk Business Edition, and Certified Asterisk deployments.