CVE-2022-35920

Public Exploit
Improper Limitation of a Pathname to a Restricted Directory in sanic

Description

Sanic is an opensource python web server/framework. Affected versions of sanic allow access to lateral directories when using `app.static` if using encoded `%2F` URLs. Parent directory traversal is not impacted. Users are advised to upgrade. There is no known workaround for this issue.

Category

8.3
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.26%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: sanic-org sanic
Published at:
Updated at:

References

Link Tags
https://github.com/sanic-org/sanic/security/advisories/GHSA-8cw9-5hmv-77w6 third party advisory
https://github.com/sanic-org/sanic/issues/2478 issue tracking exploit third party advisory
https://github.com/sanic-org/sanic/pull/2495 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-35920?
CVE-2022-35920 has been scored as a high severity vulnerability.
How to fix CVE-2022-35920?
To fix CVE-2022-35920, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-35920 being actively exploited in the wild?
It is possible that CVE-2022-35920 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-35920?
CVE-2022-35920 affects sanic-org sanic.
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