描述
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.
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受影响产品
unionpayintlunion_pay
参考资料
- http://mobitec.ie.cuhk.edu.hk/cve_2020/Permissions Required
- https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0Third Party Advisory
- https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0Third Party Advisory
- http://mobitec.ie.cuhk.edu.hk/cve_2020/Permissions Required
- https://www.dropbox.com/s/6smwnbrp0kgsgrc/poc_code.py?dl=0Third Party Advisory
- https://www.dropbox.com/s/czbkdr73tclq2nr/UnionPay_Vulnerability_Report.txt?dl=0Third Party Advisory