Vulnerability identifier: #VU25387

Vulnerability risk: Low

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

CVE-ID: CVE-2020-0030

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor: Google

Description

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

The vulnerability exists within the "Binder driver" component of Android due to a race condition in "binder_thread_release" of "binder.c". A local attacker can use a specially crafted file to exploit the race, trigger a use-after-free error and execute arbitrary code with elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Google Android:

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External links
http://source.android.com/security/bulletin/2020-02-01
http://android.googlesource.com/kernel/common/+/5eeb2ca0

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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.