Description
Blinko through 1.8.8 contains a broken access control vulnerability in the /api/file route that allows authenticated users to read other users' private attachments due to a flawed owner check. Attackers can supply another user's stored filename, following a basename plus millisecond-timestamp pattern, to download private, non-shared attachments.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
blinkospace blinko
Default version status: unaffected
0 to ≤ 1.8.8affected
pkg:github/blinkospace/blinkoReferences
- https://hackmd.io/@hieuPenguinnn/blinko-attachment-accountid-idor ↗
- https://github.com/blinkospace/blinko/blob/178e4b3538a21823a50ac2481e653d56cb1ffa86/server/routerExpress/file/file.ts#L148 ↗
- https://github.com/blinkospace/blinko ↗
- https://www.vulncheck.com/advisories/blinko-through-1.8.8-private-attachment-read-via-api-file-route ↗