Allocation of Resources Without Limits or Throttling Affecting asterisk package, versions [13.0.0,13.23.1)[14.0.0,14.7.8)[15.0.0,15.6.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
80.65% (100th 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-770  (opens in a new tab)

How to fix?

Upgrade asterisk to version 13.23.1, 14.7.8, 15.6.1 or higher.

Overview

Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. 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