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Barzahlen Payment Module PHP SDK vulnerable to Observable Timing Discrepancy

Moderate severity GitHub Reviewed Published Jan 8, 2023 to the GitHub Advisory Database • Updated Oct 20, 2023

Package

composer barzahlen/barzahlen-php (Composer)

Affected versions

< 2.0.1

Patched versions

2.0.1

Description

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.

References

Published by the National Vulnerability Database Jan 8, 2023
Published to the GitHub Advisory Database Jan 8, 2023
Reviewed Jan 13, 2023
Last updated Oct 20, 2023

Severity

Moderate
5.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS score

0.100%
(42nd percentile)

Weaknesses

CVE ID

CVE-2016-15015

GHSA ID

GHSA-vg5x-6q66-rvgx

Source code

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