istyle cosme App on iOS/Android Custom URL Scheme improper authorization

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability was found in istyle cosme App on iOS/Android. It has been rated as critical. This vulnerability affects unknown code of the component Custom URL Scheme Handler. This manipulation causes improper authorization. The identification of this vulnerability is CVE-2024-45203. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in istyle cosme App on iOS/Android (version unknown). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Custom URL Scheme Handler. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity. The summary by CVE is:

Improper authorization in handler for custom URL scheme issue in "@cosme" App for Android versions prior 5.69.0 and "@cosme" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.

The advisory is shared at jvn.jp. This vulnerability is known as CVE-2024-45203 since 08/23/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authorization
CWE: CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2024 🔍
09/09/2024 +17 days 🔍
09/09/2024 +0 days 🔍
03/10/2025 +182 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2024-45203 (🔍)
GCVE (CVE): GCVE-0-2024-45203
GCVE (VulDB): GCVE-100-276829
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 09/09/2024 10:07
Updated: 03/10/2025 23:56
Changes: 09/09/2024 10:07 (54), 09/09/2024 12:57 (1), 03/10/2025 23:56 (3)
Complete: 🔍
Cache ID: 216::103

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