| module: github.com/gorilla/websocket |
| versions: |
| - fixed: v1.4.1 |
| description: | |
| An attacker can craft malicious WebSocket frames that cause an integer |
| overflow in a variable which tracks the number of bytes remaining. This |
| may cause the server or client to get stuck attempting to read frames |
| in a loop, which can be used as a denial of service vector. |
| cves: |
| - CVE-2020-27813 |
| credit: Max Justicz |
| symbols: |
| - Conn.advanceFrame |
| - messageReader.Read |
| links: |
| pr: https://github.com/gorilla/websocket/pull/537 |
| commit: https://github.com/gorilla/websocket/commit/5b740c29263eb386f33f265561c8262522f19d37 |
