Flask-AppBuilder Open Redirect vulnerability
GHSA-624f-cqvr-3qw4 · CVE-2021-32805 · PYSEC-2021-359
Published · Modified
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Description
Impact
If using Flask-AppBuilder OAuth, an attacker can share a carefully crafted URL with a trusted domain for an application built with Flask-AppBuilder, this URL can redirect a user to a malicious site. This is an open redirect vulnerability
Patches
Install Flask-AppBuilder 3.2.2 or above
Workarounds
Filter HTTP traffic containing ?next={next-site} where the next-site domain is different from the application you are protecting
References
- WEB https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-624f-cqvr-3qw4
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-32805
- WEB https://github.com/dpgaspar/Flask-AppBuilder/commit/6af28521589599b1dbafd6313256229ee9a4fa74
- PACKAGE https://github.com/dpgaspar/Flask-AppBuilder
- WEB https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.2
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/flask-appbuilder/PYSEC-2021-359.yaml
- WEB https://pypi.org/project/Flask-AppBuilder
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