CVE-2017-16672

Description

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed. Eventually Asterisk can run out of memory and crash.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.27% Top 15%
Vendor Advisory gentoo.org Vendor Advisory debian.org Vendor Advisory digium.com Vendor Advisory asterisk.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://downloads.digium.com/pub/security/AST-2017-011.html vendor advisory
http://www.securityfocus.com/bid/101765 third party advisory vdb entry
https://issues.asterisk.org/jira/browse/ASTERISK-27345 vendor advisory
https://security.gentoo.org/glsa/201811-11 vendor advisory
https://www.debian.org/security/2017/dsa-4076 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2017-16672?
CVE-2017-16672 has been scored as a medium severity vulnerability.
How to fix CVE-2017-16672?
To fix CVE-2017-16672, 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-2017-16672 being actively exploited in the wild?
It is possible that CVE-2017-16672 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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