Out-of-bounds write in Google, Google Android



Published: 2020-03-24 | Updated: 2020-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-20542
CWE-ID CWE-787
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Google Android
Operating systems & Components / Operating system

Vendor Google

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Out-of-bounds write

EUVDB-ID: #VU34685

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20542

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

An issue was discovered on Samsung mobile devices with N(7.1), O(8.x), and P(9.0) (Exynos chipsets) software. There is a stack overflow in the kernel driver. The Samsung ID is SVE-2019-15034 (November 2019).

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 7.1 - 9.0

CPE2.3 External links

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


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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