TLS Certificate Verification Flaw in LINE Client for iOS
CVE-2023-5554

4.8MEDIUM

Key Information:

Vendor

Line Corporation

Status
Line Client For iOS
Vendor
CVE Published:
12 October 2023

What is CVE-2023-5554?

A significant vulnerability exists in the LINE Client for iOS, specifically in the log transmission of its financial module. The lack of TLS certificate verification leaves log data susceptible to interception and manipulation. This oversight could potentially allow unauthorized access to sensitive financial information transmitted through the application, posing risks to user privacy and data integrity.

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Affected Version(s)

LINE client for iOS 13.12.0 < 13.16.0

References

https://hackerone.com/reports/2106827

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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