Externally Controlled Reference to a Resource in Another Sphere in Google, Google Android

1) Externally Controlled Reference to a Resource in Another Sphere

EUVDB-ID: #VU36140

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-2018-9582

CWE-ID: CWE-610 - Externally Controlled Reference to a Resource in Another Sphere

Exploit availability: No

Description

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

In package installer in Android-8.0, Android-8.1 and Android-9, there is a possible bypass of the unknown source warning due to a confused deputy scenario. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Android ID: A-112031362.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 8.0 - 9.0

External links

http://www.securityfocus.com/bid/106474
http://source.android.com/security/bulletin/2019-01-01.html

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.