Union Pay up to 3.3.12, for iOS mobile apps, 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 |
|---|---|
| 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://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0 | Third Party Advisory |
Configurations
History
09 Apr 2021, 17:13
| Type | Values Removed | Values Added |
|---|---|---|
| CVSS |
v2 : v3 : |
v2 : 5.0
v3 : 7.5 |
| CWE | CWE-347 | |
| CPE | cpe:2.3:a:unionpayintl:union_pay:*:*:*:*:*:iphone_os:*:* | |
| References | (MISC) https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0 - Third Party Advisory | |
| References | (MISC) https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0 - Third Party Advisory | |
| References | (MISC) http://mobitec.ie.cuhk.edu.hk/cve_2020/ - Permissions Required |
06 Apr 2021, 16:51
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2021-04-06 16:15
Updated : 2023-12-10 13:55
NVD link : CVE-2020-36285
Mitre link : CVE-2020-36285
CVE.ORG link : CVE-2020-36285
JSON object : View
Products Affected
unionpayintl
- union_pay
CWE
CWE-347
Improper Verification of Cryptographic Signature