9.8
CRITICAL
CVE-2023-5554
LINE Client for iOS TLS Certificate Verification Vulnerability
Description

Lack of TLS certificate verification in log transmission of a financial module within LINE Client for iOS prior to 13.16.0.

INFO

Published Date :

Oct. 12, 2023, 10:15 a.m.

Last Modified :

Oct. 17, 2023, 3:26 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2023-5554 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2023-5554 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linecorp line
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-5554.

URL Resource
https://hackerone.com/reports/2106827 Permissions Required

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

A tool for testing for certificate validation vulnerabilities of TLS connections made by a client device or an application.

Python

Updated: 2 months, 2 weeks ago
421 stars 36 fork 36 watcher
Born at : Aug. 11, 2023, 2:53 p.m. This repo has been linked 10 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-5554 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-5554 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Oct. 17, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://hackerone.com/reports/2106827 No Types Assigned https://hackerone.com/reports/2106827 Permissions Required
    Added CWE NIST CWE-295
    Added CPE Configuration OR *cpe:2.3:a:linecorp:line:*:*:*:*:*:iphone_os:*:* versions up to (excluding) 13.16.0
  • CVE Modified by [email protected]

    Oct. 13, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 LINE Corporation AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  • CVE Modified by [email protected]

    Oct. 12, 2023

    Action Type Old Value New Value
    Changed Description Lack of TLS certificate verification in log transmission of a financial module within LINE prior to 13.16.0. Lack of TLS certificate verification in log transmission of a financial module within LINE Client for iOS prior to 13.16.0.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-5554 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-5554 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.12 }} 0.00%

score

0.46385

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability