SB2021102907 - Information disclosure in Mercari (Merpay) - Marketplace and Mobile Payments App



SB2021102907 - Information disclosure in Mercari (Merpay) - Marketplace and Mobile Payments App

Published: October 29, 2021

Security Bulletin ID SB2021102907
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Authorization in Handler for Custom URL Scheme (CVE-ID: CVE-2021-20835)

CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to improper handling of Intent. A remote attacker can trick a victim to visit a malicious website and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.