CVE-2022-46163: travel-support-program vulnerable to data exfiltration via Ransack query injection
First published: Tue Jan 10 2023(Updated: )
Travel support program is a rails app to support the travel support program of openSUSE (TSP). Sensitive user data (bank account details, password Hash) can be extracted via Ransack query injection. Every deployment of travel-support-program below the patched version is affected. The travel-support-program uses the Ransack library to implement search functionality. In its default configuration, Ransack will allow for query conditions based on properties of associated database objects [1]. The `*_start`, `*_end` or `*_cont` search matchers [2] can then be abused to exfiltrate sensitive string values of associated database objects via character-by-character brute-force (A match is indicated by the returned JSON not being empty). A single bank account number can be extracted with <200 requests, a password hash can be extracted with ~1200 requests, all within a few minutes. The problem has been patched in commit d22916275c51500b4004933ff1b0a69bc807b2b7. In order to work around this issue, you can also cherry pick that patch, however it will not work without the Rails 5.0 migration that was done in #150, which in turn had quite a few pull requests it depended on.
Credit: security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Opensuse Travel Support Program | <2022-11-29 |
Remedy
https://github.com/openSUSE/travel-support-program/commit/d22916275c51500b4004933ff1b0a69bc807b2b7
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Reference Links
Frequently Asked Questions
What is CVE-2022-46163?
CVE-2022-46163 is a vulnerability in the Travel Support Program, a Rails app used to support the travel support program of openSUSE (TSP).
How does CVE-2022-46163 impact users?
CVE-2022-46163 allows attackers to extract sensitive user data, such as bank account details and password hashes, through Ransack query injection.
What software versions are affected by CVE-2022-46163?
Every deployment of travel-support-program below the patched version (up to but not including version 2022-11-29) is affected by CVE-2022-46163.
What is the severity of CVE-2022-46163?
CVE-2022-46163 has a severity rating of 7.5 (high).
How can I fix CVE-2022-46163?
To fix CVE-2022-46163, users should update to the patched version of travel-support-program released on or after November 29, 2022.
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- canonical/opensuse travel support program