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CVE-2016-15015— viafintech Barzahlen Payment Module PHP SDK Webhook.php verify timing discrepancy

Quick assessment

Affected
viafintech Barzahlen Payment Module PHP SDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Barzahlen Payment Module PHP SDK是巴尔扎伦 PHP 库。 Barzahlen Payment Module PHP SDK 2.0.1之前版本存在安全漏洞，该漏洞源于文件src/Webhook.php的函数验证存在问题，会导致可观察到的时间差异。

CVSS 2.6 · Low EPSS 0.63% · P49

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2016-15015

Vulnerability Information
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Vulnerability Title
viafintech Barzahlen Payment Module PHP SDK Webhook.php verify timing discrepancy
Source: CVE Program / CVE List V5
Vulnerability 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. The complexity of an attack is rather high. The exploitability is told to be difficult. Upgrading to version 2.0.1 is able to address this issue. The patch is identified as 3e7d29dc0ca6c054a6d6e211f32dae89078594c1. It is recommended to upgrade the affected component. VDB-217650 is the identifier assigned to this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Barzahlen Payment Module PHP SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Barzahlen Payment Module PHP SDK是巴尔扎伦 PHP 库。 Barzahlen Payment Module PHP SDK 2.0.1之前版本存在安全漏洞，该漏洞源于文件src/Webhook.php的函数验证存在问题，会导致可观察到的时间差异。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
viafintech Barzahlen Payment Module PHP SDK 2.0 -

II. Public POCs for CVE-2016-15015

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III. Intelligence Information for CVE-2016-15015

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Patches & Fixes for CVE-2016-15015 (2)

Vendor Advisories for CVE-2016-15015 (2)

Other References for CVE-2016-15015 (1)

IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2016-15015

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