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Resource Exhaustion Affecting asterisk package, versions <1:13.23.1~dfsg-1

Severity

 Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
53.38% (99th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-ASTERISK-428857
  • published24 Sept 2018
  • disclosed24 Sept 2018
Report a new vulnerability Found a mistake?

Introduced: 24 Sep 2018

CVE-2018-17281  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Debian:unstable asterisk to version 1:13.23.1~dfsg-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream asterisk package and not the asterisk package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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.