Vulnerability identifier: #VU47480

Vulnerability risk: Low

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

CVE-ID: CVE-2020-11174

CWE-ID: CWE-191

Exploitation vector: Local

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to integer underflow in the drivers/char/adsprpc.c file. A malicious application can trigger integer underflow and execute arbitrary code on the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 11, 10, 9.0, 8.0 - 8.1

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External links
http://source.android.com/security/bulletin/2020-10-01
http://source.codeaurora.org/quic/la/kernel/msm-4.9/commit/?id=cd83646c66cdfecb5168a5585498fdcab8e65944

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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.