#VU36088 Race condition in Google Android - CVE-2019-1992

Vulnerability identifier: #VU36088

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-1992

CWE-ID: CWE-362

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 execute arbitrary code.

In bta_hl_sdp_query_results of bta_hl_main.cc, there is a possible use-after-free due to a race condition. This could lead to remote code execution with no additional execution privileges needed. User interaction is 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-116222069.

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/106946
https://source.android.com/security/bulletin/2019-02-01

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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.