CVE-2016-7551

Description

chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 6.63% Top 10%
Vendor Advisory debian.org Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=838832 issue tracking third party advisory patch
https://issues.asterisk.org/jira/browse/ASTERISK-26272 issue tracking third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1374733 issue tracking patch
http://downloads.asterisk.org/pub/security/AST-2016-007.html mitigation vendor advisory
http://www.debian.org/security/2016/dsa-3700 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-7551?
CVE-2016-7551 has been scored as a high severity vulnerability.
How to fix CVE-2016-7551?
To fix CVE-2016-7551, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-7551 being actively exploited in the wild?
It is possible that CVE-2016-7551 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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