Vulnerability in Peppermint-Lab peppermint

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

Peppermint through 0.5.5 contains a missing authorization vulnerability that allows any authenticated user to create time entries and attachments as other users by supplying a user id in the request body. Attackers can send POST requests to /api/v1/time/new or /api/v1/storage/ticket/:id/upload/single to attach files and time records to any ticket under another user's identity.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/storage.ts
• github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/time.ts
• github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/main.ts
• hackmd.io/@hieuPenguinnn/peppermint-data-logs-missing-authorization
• www.vulncheck.com/advisories/peppermint-through-0.5.5-missing-authorization-via-time-tr…