#VU83880 Input validation error in Galaxy Store - CVE-2023-42581

Vulnerability identifier: #VU83880

Vulnerability risk: High

CVSSv4.0: 6.1 [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]

CVE-ID: CVE-2023-42581

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Galaxy Store
Mobile applications / Apps for mobile phones

Vendor: Samsung

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Galaxy Store: before 4.5.64.4

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

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.