viafintech Barzahlen Payment Module PHP SDK up to 2.0.0 src/Webhook.php verify timing discrepancy
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
3.5 | $0-$5k | 0.05 |
A vulnerability, which was classified as problematic, was found in viafintech Barzahlen Payment Module PHP SDK up to 2.0.0 (Programming Language Software). Affected is the function verify
of the file src/Webhook.php. The manipulation with an unknown input leads to a timing discrepancy vulnerability. CWE is classifying the issue as CWE-208. 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. This is going to have an impact on confidentiality.
The weakness was published 01/08/2023. The advisory is available at github.com. This vulnerability is traded as CVE-2016-15015. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
By approaching the search of inurl:src/Webhook.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 2.0.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 3e7d29dc0ca6c054a6d6e211f32dae89078594c1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:
Fixed timing attack vulnerability
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.5VulDB Meta Temp Score: 3.5
VulDB Base Score: 2.6
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CNA Base Score: 2.6
CNA Vector (VulDB): 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Timing discrepancyCWE: CWE-208 / CWE-203 / CWE-200
ATT&CK: T1592
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Barzahlen Payment Module PHP SDK 2.0.1
Patch: 3e7d29dc0ca6c054a6d6e211f32dae89078594c1
Timeline
01/08/2023 🔍01/08/2023 🔍
01/08/2023 🔍
01/30/2023 🔍
Sources
Advisory: 3e7d29dc0ca6c054a6d6e211f32dae89078594c1Status: Confirmed
CVE: CVE-2016-15015 (🔍)
Entry
Created: 01/08/2023 18:20Updated: 01/30/2023 09:33
Changes: 01/08/2023 18:20 (44), 01/30/2023 09:29 (3), 01/30/2023 09:33 (28)
Complete: 🔍
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