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.
Published 2012-07-09 10:20:45
Updated 2013-10-10 18:24:07
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2012-3863

Top countries where our scanners detected CVE-2012-3863
Top open port discovered on systems with this issue 5060
IPs affected by CVE-2012-3863 356
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2012-3863!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2012-3863

1.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 82 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-3863

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
MEDIUM AV:N/AC:L/Au:S/C:N/I:N/A:P
8.0
2.9
NIST

CWE ids for CVE-2012-3863

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-3863

Products affected by CVE-2012-3863

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