CVE-2022-35920

Improper Limitation of a Pathname to a Restricted Directory in sanic

CVSS 8.3 HIGHEPSS 1.0%CWE-22

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.3EPSS 1.0%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

01 Aug 2022Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

Affected products

sanic-org · sanic

References

https://github.com/sanic-org/sanic/issues/2478 https://github.com/sanic-org/sanic/pull/2495 https://github.com/sanic-org/sanic/security/advisories/GHSA-8cw9-5hmv-77w6