#VU35797 Out-of-bounds read in Google Android - CVE-2019-2020

Vulnerability identifier: #VU35797

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-2020

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

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

Vendor: Google

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

In llcp_dlc_proc_rr_rnr_pdu of llcp_dlc.cc, there is a possible out-of-bound read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction needed for exploitation.Product: AndroidVersions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9Android ID: A-116788646

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://source.android.com/security/bulletin/2019-03-01

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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.