Em resumo
- CVE-2024-23329 é uma vulnerabilidade BAIXO (CVSS 3.7) que afeta changedetection-io, changedetection (webtechnologies).
- Chance de exploração nos próximos 30 dias (EPSS): 0.59%, maior que 48.1% das vulnerabilidades.
- Correção: atualize para 0.45.13 ou posterior.
Description
Summary
API endpoint /api/v1/watch/<uuid>/history can be accessed by any unauthorized user.
Details
WatchHistory resource does not have @auth.check_token annotation, which means it can be accessed without providing x-api-key header.
https://github.com/dgtlmoon/changedetection.io/blob/9510345e01ea8e308c339163d8e8b030ce5ac7f1/changedetectionio/api/api_v1.py#L129-L156
PoC
- Get list of watch with
x-api-key:
$ curl -H "x-api-key: apikeyhere" http://localhost:5000/api/v1/watch
{"uuid": ...}
- Call for history of snapshots without
x-api-key. Expected - 401/403 error. Actual - list of snapshots is listed.
$ curl http://localhost:5000/api/v1/watch/uuid/history
{"timestamp": "/path/to/snapshot.txt"}
Impact
Anybody can check one's watch history. However, because unauthorized party first needs to know watch UUID, and the watch history endpoint itself returns only paths to the snapshot on the server, an impact on users' data privacy is minimal.
NVD description
changedetection.io is an open source tool designed to monitor websites for content changes. In affected versions the API endpoint `/api/v1/watch/<uuid>/history` can be accessed by any unauthorized user. As a result any unauthorized user can check one's watch history. However, because unauthorized party first needs to know a watch UUID, and the watch history endpoint itself returns only paths to the snapshot on the server, an impact on users' data privacy is minimal. This issue has been addressed in version 0.45.13. Users are advised to upgrade. There are no known workarounds for this vulnerability.
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