SB2023120523 - Multiple vulnerabilities in Samsung Galaxy Store

Description

This security bulletin contains information about 2 vulnerabilities.

1) Input validation error (CVE-ID: CVE-2023-42581)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to insufficient validation of URL passed from InstantPlay deeplink. A remote attacker can trick the victim to open a specially crafted URL and execute arbitrary JavaScript API to install APK from Galaxy Store.

2) Input validation error (CVE-ID: CVE-2023-42580)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise the affected device.

The vulnerability exists due to insufficient validation of URL passed from MCSLaunch deeplink. A remote attacker can trick the victim to open a specially crafted URL and execute arbitrary JavaScript API to install APK from Galaxy Store.

Remediation

Install update from vendor's website.

References

• https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=12
• https://www.zerodayinitiative.com/advisories/ZDI-24-830/
• https://www.zerodayinitiative.com/advisories/ZDI-24-828/