CVE-2018-17281

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductDigium Asterisk
PublishedSep 24, 2018
First seenSep 24, 2018

How to fix

Affected products

ProductAffected versionsFixed in
digium asterisk13.0.0 ≤ v ≤ 13.23.0, 14.0.0 ≤ v ≤ 14.7.7, 15.0.0 ≤ v ≤ 15.6.0—
digium certified_asterisk11.6, 13.1, 13.8, 13.13, 13.21—
debian debian_linux8.0, 9.0—

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CVE-2018-17281 · Digium Asterisk · Dark Radar