caronc/apprise · Security
Apprise vulnerable to regex injection with IFTTT Plugin
- GHSA ID
- GHSA-qhmp-h54x-38qr
- CVE ID
- CVE-2021-39229
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v4
- 8.7 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Description
Impact
Anyone publicly hosting the Apprise library and granting them access to the IFTTT notification service.
Patches
Update to Apprise v0.9.5.1
# Install Apprise v0.9.5.1 from PyPI
pip install apprise==0.9.5.1
The patch to the problem was performed here.
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
- Email me at [email protected]
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)
CWEs
- CWE-400 · Uncontrolled Resource Consumption
References
- https://github.com/caronc/apprise/security/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/caronc/apprise/pull/436 ↗
- https://github.com/caronc/apprise/blob/0007eade20934ddef0aba38b8f1aad980cfff253/apprise/plugins/NotifyIFTTT.py#L356-L359 ↗
- https://github.com/pypa/advisory-database/tree/main/vulns/apprise/PYSEC-2021-327.yaml ↗
- https://github.com/advisories/GHSA-qhmp-h54x-38qr ↗