Vulnerability Details : CVE-2011-2665

reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.3 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a SIP packet with a Contact header that lacks a < (less than) character.
Published 2011-07-06 19:55:04
Updated 2011-09-07 03:17:45
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionDenial of service

Products affected by CVE-2011-2665

Threat overview for CVE-2011-2665

Top countries where our scanners detected CVE-2011-2665
Top open port discovered on systems with this issue 22
IPs affected by CVE-2011-2665 5
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-2665!
*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-2011-2665

EPSS FAQ
7.52%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-2665

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST

References for CVE-2011-2665

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