QID 630698

Date Published: 2021-06-15

QID 630698: Union Pay For Android Improper Verification of Cryptographic Signature Vulnerability

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.

On successful exploitation, it could allow an attacker to execute code.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

Upgrade to the latest packages which contain a patch. Refer to CVE-2020-36284 to address this issue and obtain more information.

Vendor References

CVE-2020-36284 - nvd.nist.gov/vuln/detail/CVE-2020-36284

CVEs related to QID 630698

CVE-2020-36284 |

Software Advisories

Advisory ID	Software	Component	Link
CVE-2020-36284	Android		nvd.nist.gov/vuln/detail/CVE-2020-36284

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