Memory leak in Asterisk Open Source and Certified Asterisk - CVE-2017-16672

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Main Vulnerability Database Vulnerabilities #VU16065

Memory leak in Asterisk Open Source and Certified Asterisk - CVE-2017-16672

Published: November 26, 2018


Vulnerability identifier: #VU16065
CSH Severity: Low
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-16672
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists due to memory leak in pjsip session resource. A remote unauthenticated attacker can send a specially-crafted request, exhaust available memory and cause the system to crash.



Affected software

Asterisk Open Source
Certified Asterisk
Gentoo Linux
Fedora
asterisk

How to mitigate CVE-2017-16672

Update Asterisk Open Source to version 13.18.1, 14.7.1,15.1.1.
Update Certified Asterisk to version 13.13-cert7.

Asterisk Open Source - addressed in versions 13.18.1, 14.7.1, 15.1.1
Certified Asterisk - update to 13.13-cert7
asterisk - update to 14.7.6-2.fc27

External References

Related Security Bulletins