Description
Hermes WebUI before version 0.51.270 contains a resource exhaustion vulnerability that allows unauthenticated remote attackers to degrade service availability by repeatedly calling the passkey options endpoint without completing assertion. Attackers can send unlimited POST requests to the authentication endpoint, causing unbounded growth of the challenge store file and excessive CPU and disk I/O through repeated JSON file rewrites.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| nesquena | hermes-webui | < 0.51.270 | 0.51.270 |
References
- hermes-webui 0.51.270 Release Notes release-notes
- https://github.com/nesquena/hermes-webui/pull/3624 issue-tracking patch
- https://github.com/nesquena/hermes-webui/pull/3674 issue-tracking patch
- https://github.com/nesquena/hermes-webui/commit/58528a4d88b0fa4f7b822e31d6051c669769bd3b patch
- https://www.vulncheck.com/advisories/hermes-webui-resource-exhaustion-via-passkey-options third-party-advisory