CVE-2021-39229
Apprise vulnerable to regex injection with IFTTT Plugin
Impact
### Impact Anyone _publicly_ hosting the Apprise library and granting them access to the IFTTT notification service. ### Patches Update to Apprise v0.9.5.1 ```bash # Install Apprise v0.9.5.1 from PyPI pip install apprise==0.9.5.1 ``` The patch to the problem was performed [here](https://github.com/caronc/apprise/pull/436/files). ### Workarounds Alternatively, if upgrading is not an option, you can safely remove the following file: - `apprise/plugins/NotifyIFTTT.py` The above will eliminate the ability to use IFTTT, but everything else will work smoothly. ### For more information If you have any questions or comments about this advisory: * Open an issue in [Apprise](https://github.com/caronc/apprise/issues) * Email me at [lead2gold@gmail.com](mailto:lead2gold@gmail.com) ### Additional Credit Github would not allow me to additionally credit **Rasmus Petersen**, but I would like to put that here at the very least - thank you for finding and reporting this issue along with those already credited ## Additional Notes: - Github would not allow me to add/tag the 2 CWE's this issue is applicable to (only CWE-400). The other is: CWE-730 (placed in the title)
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | apprise | <= 0.9.4 | 0.9.5.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nuxref | Apprise | before 0.9.5.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/caronc/apprise/blob/0007eade20934ddef0aba38b8f1aad980cfff253/apprise/plugins/NotifyIFTTT.py#L356-L359
- https://github.com/caronc/apprise/pull/436
- https://github.com/caronc/apprise/security/advisories/GHSA-qhmp-h54x-38qr
- https://github.com/advisories/GHSA-qhmp-h54x-38qr
- https://github.com/caronc/apprise/commit/e20fce630d55e4ca9b0a1e325a5fea6997489831
- https://github.com/caronc/apprise/releases/tag/v0.9.5.1
- https://nvd.nist.gov/vuln/detail/CVE-2021-39229
- https://github.com/pypa/advisory-database/tree/main/vulns/apprise/PYSEC-2021-327.yaml