CVE-2021-39229High· 7.5▾ TwilightApprise vulnerable to regex injection with IFTTT Plugin
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.4 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Jul 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
1.8%
1.8% → 1.9%
Anyone publicly hosting the Apprise library and granting them access to the IFTTT notification service.
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.
Alternatively, if upgrading is not an option, you can safely remove the following file:
apprise/plugins/NotifyIFTTT.pyThe above will eliminate the ability to use IFTTT, but everything else will work smoothly.
If you have any questions or comments about this advisory:
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
apprise < 0.9.5.1Upgrade to a patched release:
apprise 0.9.5.1