reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
Published 2011-06-06 19:55:04
Updated 2018-10-09 19:32:19
Source MITRE
View at NVD,
Vulnerability category: Memory CorruptionDenial of service

Threat overview for CVE-2011-2216

Top countries where our scanners detected CVE-2011-2216
Top open port discovered on systems with this issue 22
IPs affected by CVE-2011-2216 4
Threat actors abusing to this issue? Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-2216

Probability of exploitation activity in the next 30 days EPSS Score History
~ 94 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-2216

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen

References for CVE-2011-2216

Products affected by CVE-2011-2216

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