Samsung Charm up to 1.2.2 cancelAlarmManager implicit intent for sensitive communication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.7	$0-$5k	0.00

A vulnerability, which was classified as problematic, was found in Samsung Charm up to 1.2.2. CWE is classifying the issue as CWE-927. The Android application uses an implicit intent for transmitting sensitive data to other applications. The impact remains unknown. CVE summarizes:

PendingIntent hijacking vulnerability in cancelAlarmManager in Charm by Samsung prior to version 1.2.3 allows local attackers to access files without permission via implicit intent.

The weakness was released 08/06/2022. The advisory is available at security.samsungmobile.com. This vulnerability is traded as CVE-2022-36830 since 07/27/2022. Technical details are known, but there is no available exploit.

Upgrading to version 1.2.3 eliminates this vulnerability.

Productinfo

Vendor

Samsung

Name

Charm

CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (Samsung Mobile): 🔒

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-927
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Charm 1.2.3

Timelineinfo

07/27/2022 CVE reserved
08/06/2022 +10 days Advisory disclosed
08/06/2022 +0 days VulDB entry created
08/06/2022 +0 days VulDB last update

Sourcesinfo

Vendor: samsung.com

Advisory: security.samsungmobile.com
Status: Confirmed

CVE: CVE-2022-36830 (🔒)

Entryinfo