CVE-2018-17281

MEDIUM

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.

References

http://downloads.asterisk.org/pub/security/AST-2018-009.html

http://packetstormsecurity.com/files/149453/Asterisk-Project-Security-Advisory-AST-2018-009.html

http://seclists.org/fulldisclosure/2018/Sep/31

http://www.securityfocus.com/bid/105389

http://www.securitytracker.com/id/1041694

https://issues.asterisk.org/jira/browse/ASTERISK-28013

https://lists.debian.org/debian-lts-announce/2018/09/msg00034.html

https://seclists.org/bugtraq/2018/Sep/53

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

https://www.debian.org/security/2018/dsa-4320

Details

Source: MITRE

Published: 2018-09-24

Updated: 2018-12-20

Type: CWE-399

Risk Information

CVSS v2.0

Base Score: 5

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

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3.0

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH