PT-2023-32172 · Line · Line Client For Ios

Published 2023-10-12 · Updated 2023-10-17 · CVE-2023-5554

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions LINE Client for iOS versions prior to 13.16.0

Description The issue is related to a lack of TLS certificate verification in log transmission of a financial module. This could potentially lead to security risks, but specific details about the estimated number of affected devices or real-world incidents are not provided.

Recommendations For versions prior to 13.16.0, update to version 13.16.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the financial module until the update is applied.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2023-5554

Affected Products

Line Client For Ios

References · 4

• https://osv.dev/vulnerability/CVE-2023-5554 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-5554 · Security Note
• https://hackerone.com/reports/2106827 · Note
• https://t.me/cvenotify/59401 · Telegram Post