Barzahlen Payment Module PHP SDK vulnerable to Observable Timing Discrepancy
A vulnerability, which was classified as problematic, was found in viafintech Barzahlen Payment Module PHP SDK up to 2.0.0. Affected is the function verify of the file src/Webhook.php. The manipulation leads to observable timing discrepancy. Upgrading to version 2.0.1 is able to address this issue. The name of the patch is 3e7d29dc0ca6c054a6d6e211f32dae89078594c1. It is recommended to upgrade the affected component. VDB-217650 is the identifier assigned to this vulnerability.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | barzahlen/barzahlen-php | < 2.0.1 | 2.0.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2016-15015
- https://github.com/viafintech/Barzahlen-PHP/pull/8
- https://github.com/viafintech/Barzahlen-PHP/commit/3e7d29dc0ca6c054a6d6e211f32dae89078594c1
- https://github.com/viafintech/Barzahlen-PHP
- https://github.com/viafintech/Barzahlen-PHP/releases/tag/v2.0.1
- https://vuldb.com/?ctiid.217650
- https://vuldb.com/?id.217650
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-203, CWE-208- Platform
- Composer
- Package
barzahlen/barzahlen-php- Disclosed
- 08.01.2023
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-vg5x-6q66-rvgx - CC BY 4.0
Vulnerability history: barzahlen/barzahlen-php
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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