Vulnerability identifier: #VU34503

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-21078

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Google Android
Operating systems & Components / Operating system

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.0) software. The Contacts application allows attackers to originate video calls because SS (Supplementary Service) and USSD (Unstructured Supplementary Service Data) codes are improperly secured. The Samsung ID is SVE-2018-11469 (April 2018).

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 6.0, 7.0 - 7.1.2, 8.0

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External links
http://security.samsungmobile.com/securityUpdate.smsb

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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.