Union Pay up to 1.2.0, for web based versions contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants' websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL.
References
Link | Resource |
---|---|
https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0 | Third Party Advisory |
http://mobitec.ie.cuhk.edu.hk/cve_2020/ | Permissions Required |
https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0 | Third Party Advisory |
https://cwe.mitre.org/data/definitions/347.html | Technical Description |
Configurations
Information
Published : 2021-04-06 09:15
Updated : 2022-11-04 19:05
NVD link : CVE-2020-23533
Mitre link : CVE-2020-23533
JSON object : View
CWE
CWE-347
Improper Verification of Cryptographic Signature
Products Affected
unionpayintl
- union_pay