CVE-2016-15015 : A vulnerability, which was classified as problematic, was found in viafintech Ba

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.

Published 2023-01-08 18:15:10

Updated 2024-05-17 01:08:09

Source VulDB

View at NVD, CVE.org

Products affected by CVE-2016-15015

Paysafe » Barzahlen Payment Module Php Sdk
Versions before (<) 2.0.1
cpe:2.3:a:paysafe:barzahlen_payment_module_php_sdk:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2016-15015

EPSS FAQ

0.10%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 42 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2016-15015

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
1.4	LOW	AV:A/AC:H/Au:S/C:P/I:N/A:N	2.5	2.9	VulDB
Access Vector: Adjacent Network Access Complexity: High Authentication: Single Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
2.6	LOW	CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	1.2	1.4	VulDB
Attack Vector: Adjacent Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
2.6	LOW	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	1.2	1.4	VulDB	2024-02-29
Attack Vector: Adjacent Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	3.9	1.4	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

CWE ids for CVE-2016-15015

CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Assigned by: nvd@nist.gov (Primary)
CWE-208 Observable Timing Discrepancy

Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Assigned by: cna@vuldb.com (Secondary)

References for CVE-2016-15015

https://github.com/viafintech/Barzahlen-PHP/pull/8

Fixed timing attack vulnerability by adiebler · Pull Request #8 · viafintech/Barzahlen-PHP · GitHub
Patch;Third Party Advisory
https://github.com/viafintech/Barzahlen-PHP/releases/tag/v2.0.1

Release v2.0.1 · viafintech/Barzahlen-PHP · GitHub
Release Notes;Third Party Advisory
https://vuldb.com/?ctiid.217650

Third Party Advisory
https://vuldb.com/?id.217650

Third Party Advisory
https://github.com/viafintech/Barzahlen-PHP/commit/3e7d29dc0ca6c054a6d6e211f32dae89078594c1

Fixed timing attack vulnerability · viafintech/Barzahlen-PHP@3e7d29d · GitHub
Patch;Third Party Advisory

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Vulnerability Details : CVE-2016-15015

Products affected by CVE-2016-15015

Exploit prediction scoring system (EPSS) score for CVE-2016-15015

CVSS scores for CVE-2016-15015

CWE ids for CVE-2016-15015

References for CVE-2016-15015