CVE-2018-17281 is a stack consumption vulnerability in the res_http_websocket.so module of Asterisk and Certified Asterisk, affecting versions through 13.23.0, 14.7.x through 14.7.7, and 15.x through 15.6.0. An unauthenticated attacker can trigger a denial-of-service by sending a specially crafted HTTP request to upgrade to a websocket connection. This vulnerability has a CVSSv3 score of 7.5 (HIGH), indicating a network-based attack with low complexity and high availability impact, but no confidentiality or integrity impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 13.0.0, <= 13.23.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:lts:*:*:* | ||
>= 14.0.0, <= 14.7.7CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:* | ||
>= 15.0.0, <= 15.6.0CPE matchmatch criteria | cpe:2.3:a:digium:asterisk:*:*:*:*:standard:*:*:* | ||
11.6CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:11.6:cert12:*:*:lts:*:*:* | ||
11.6CPE matchmatch criteria | cpe:2.3:a:digium:certified_asterisk:11.6:cert13:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.