CVE-2017-16672

MEDIUM

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.

References

http://downloads.digium.com/pub/security/AST-2017-011.html

http://www.securityfocus.com/bid/101765

https://issues.asterisk.org/jira/browse/ASTERISK-27345

https://security.gentoo.org/glsa/201811-11

https://www.debian.org/security/2017/dsa-4076

Details

Source: MITRE

Published: 2017-11-09

Updated: 2019-10-03

Type: CWE-772

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM