Arbitrary Command Injection The advisory has been revoked - it doesn't affect any version of package celery (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN9-CELERY-2331790
- published8 Jan 2022
- disclosed29 Dec 2021
Introduced: 29 Dec 2021
CVE-2021-23727 (opens in a new tab)Amendment
The Debian security team deemed this advisory irrelevant for Debian:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream celery package and not the celery package as distributed by Debian.
This affects the package celery before 5.2.2. It by default trusts the messages and metadata stored in backends (result stores). When reading task metadata from the backend, the data is deserialized. Given that an attacker can gain access to, or somehow manipulate the metadata within a celery backend, they could trigger a stored command injection vulnerability and potentially gain further access to the system.
References
- https://security-tracker.debian.org/tracker/CVE-2021-23727
- https://github.com/celery/celery/blob/master/Changelog.rst%23522
- https://snyk.io/vuln/SNYK-PYTHON-CELERY-2314953
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYXRGHWHD2WWMHBWCVD5ULVINPKNY3P5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SYXRGHWHD2WWMHBWCVD5ULVINPKNY3P5/