CVE-2018-17281
Published: 24 September 2018
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.
Priority
Status
Package | Release | Status |
---|---|---|
asterisk Launchpad, Ubuntu, Debian |
bionic |
Needed
|
cosmic |
Ignored
(end of life)
|
|
disco |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
eoan |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
focal |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
trusty |
Does not exist
(trusty was needs-triage)
|
|
upstream |
Released
(1:13.23.1~dfsg-1)
|
|
xenial |
Needed
|
|
impish |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
groovy |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
hirsute |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
jammy |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
kinetic |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
lunar |
Not vulnerable
(1:16.2.1~dfsg-1)
|
|
mantic |
Not vulnerable
(1:16.2.1~dfsg-1)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17281
- https://downloads.asterisk.org/pub/security/AST-2018-009.html
- https://issues.asterisk.org/jira/browse/ASTERISK-28013
- 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.securitytracker.com/id/1041694
- https://seclists.org/bugtraq/2018/Sep/53
- NVD
- Launchpad
- Debian