Resource Management Errors Affecting asterisk package, versions [13.0.0,13.23.1)[14.0.0,14.7.7][15.0.0,15.6.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
66.9% (99th percentile)

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  • Snyk IDSNYK-UNMANAGED-ASTERISK-2371614
  • published26 Jan 2022
  • disclosed24 Sept 2018
  • creditUnknown

Introduced: 24 Sep 2018

CVE-2018-17281  (opens in a new tab)
CWE-399  (opens in a new tab)

How to fix?

Upgrade asterisk to version 13.23.1, 15.6.1 or higher.

Overview

Affected versions of this package are vulnerable to Resource Management Errors. There is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0 and Certified Asterisk through 13.21-cert2. It allows an attacker to crash Asterisk via a specially crafted HTTP request to upgrade the connection to a websocket.

CVSS Base Scores

version 3.1