CVE-2022-31177: Possible to infer sensitive information through query strings in Flask-AppBuilder
Impact An authenticated Admin user could craft HTTP requests to filter users by their salted and hashed passwords strings. These filters could be made by using partial hashed password strings. The response would not include the hashed passwords, but an attacker could infer partial password hashes and their respective users.
Only when using AUTHDB database authentication option.
Patches Fixed on 4.1.3
For more information If you have any questions or comments about this advisory: Open an issue in example link to repo Email us at example email address
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Flask-AppBuilder is an application development framework built on top of Flask python framework. In versions prior to 4.1.3 an authenticated Admin user could query other users by their salted and hashed passwords strings. These filters could be made by using partial hashed password strings. The response would not include the hashed passwords, but an attacker could infer partial password hashes and their respective users. This issue has been fixed in version 4.1.3. Users are advised to upgrade. There are no known workarounds for this issue.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2022-31177.
What is Flask-AppBuilder?
Flask-AppBuilder is an application development framework built on top of the Flask Python framework.
What is the severity of CVE-2022-31177?
The severity of CVE-2022-31177 is low, with a severity value of 2.7.
How can an authenticated Admin user exploit CVE-2022-31177?
An authenticated Admin user could query other users by their salted and hashed passwords strings using partial hashed password strings as filters.
How can I fix CVE-2022-31177?
To fix CVE-2022-31177, upgrade to Flask-AppBuilder version 4.1.3 or later.