Vulnerability identifier: #VU25357

Vulnerability risk: High

CVSSv3.1: 7.3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-0022

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Google

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists within the System functionality of Android due to a boundary error when processing untrusted input in "reassemble_and_dispatch" of "packet_fragmenter.cc". A remote attacker can trigger out-of-bounds write and execute arbitrary code over Bluetooth on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android: 10, 9.0, 8.0 - 8.1

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External links
http://source.android.com/security/bulletin/2020-02-01
http://android.googlesource.com/platform/system/bt/+/3cb7149d8fed2d7d77ceaa95bf845224c4db3baf

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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. However, proof of concept for this vulnerability is available.