Vulnerability identifier: #VU37708

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18020

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Samsung Mobile
Mobile applications / Mobile firmware & hardware

Vendor: Samsung

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

On Samsung mobile devices with L(5.x), M(6.x), and N(7.x) software and Exynos chipsets, attackers can execute arbitrary code in the bootloader because S Boot omits a size check during a copy of ramfs data to memory. The Samsung ID is SVE-2017-10598.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Samsung Mobile: 5.0 - 7.1.2

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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.