Description

Union Pay up to 3.4.93.4.9, for android, 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.

Related CPE's

a

unionpayintl

union_pay

*

*

*

*

*

android

Vulnerable

References

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

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

Weaknesses

[email protected]

Primary
CWE-347

CVSS impact metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

7.5 · High

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-04-06T14:15:15.317Z

4 years ago

Last modified

2024-11-21T04:29:12.503Z

1 year ago