Security Digest · Critical advisory (no CVE assigned)
GHSA-xv8g-fj9h-6gmv: Linkdave Missing Authentication on REST and WebSocket endpoints
The linkdave server does not enforce authentication on its REST and WebSocket routes in versions prior to 0.1.5.
CVSS 9.3 Critical GitHub-reviewed · critical
Should you act?
- Only if you depend on one of the packages below, directly or transitively, in a vulnerable version. Check your lockfile with
govulncheck ./.... - No CVE has been assigned, so it will not appear in CVE-based scanners that ignore GitHub advisories.
npm audit,pip-auditand Dependabot do read GitHub advisories.
Affected packages
| Ecosystem | Package | Vulnerable | First fixed |
|---|---|---|---|
| Go | github.com/shi-gg/linkdave | < 0.1.5 | 0.1.5 |
Details
The linkdave server does not enforce authentication on its REST and WebSocket routes in versions prior to 0.1.5.
Impact
An attacker with network access to the server port can: - Connect to the WebSocket endpoint (/ws) and receive a valid sessionid in the OpReady response. - Use that session to invoke all REST player controls on any guild corresponding to their session id[1]. - Enumerate server statistics and runtime information via the unauthenticated /stats endpoint (still public after the fix).
[1] If on >=0.1.0, attackers are restricted to creating, controlling and deleting players created within their own session ID.
Vulnerable Routes
The following routes were entirely unauthenticated in >= 0.0.1,
| Method | Path | Description | |--------|------|-------------| | POST | /sessions/{sessionid}/players/{guildid}/play | Start audio playback | | POST | /sessions/{sessionid}/players/{guildid}/pause | Pause playback | | POST | /sessions/{sessionid}/players/{guildid}/resume | Resume playback | | POST | /sessions/{sessionid}/players/{guildid}/stop | Stop playback | | POST | /sessions/{sessionid}/players/{guildid}/seek | Seek to position | | PATCH | /sessions/{sessionid}/players/{guildid}/volume | Set volume | | DELETE | /sessions/{sessionid}/players/{guildid} | Disconnect from voice channel | | GET | /ws | WebSocket event stream |
Patches
CVSS: 9.3 (v4.0) CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Sources and references
- GitHub Advisory GHSA-xv8g-fj9h-6gmv github.com
- github.com github.com
- github.com github.com