#VU36321 Input validation error in Google Android - CVE-2018-9548

Vulnerability identifier: #VU36321

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-9548

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a local authenticated user to gain access to sensitive information.

In multiple functions of ContentProvider.java, there is a possible permission bypass due to a missing URI validation. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112555574.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 7.0 - 7.1.2, 8.0 - 8.1, 9.0

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External links
https://www.securityfocus.com/bid/106067
https://source.android.com/security/bulletin/2018-12-01

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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.