#VU40493 Permissions, Privileges, and Access Controls in Google Android - CVE-2016-0809

Vulnerability identifier: #VU40493

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-0809

CWE-ID: CWE-264

Exploitation vector: Local 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.

Use-after-free vulnerability in the wifi_cleanup function in bcmdhd/wifi_hal/wifi_hal.cpp in Wi-Fi in Android 6.x before 2016-02-01 allows attackers to gain privileges by leveraging access to the local physical environment during execution of a crafted application, aka internal bug 25753768.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android: 6.0 - 6.0.1

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External links
https://source.android.com/security/bulletin/2016-02-01.html
https://android.googlesource.com/platform/hardware/broadcom/wlan/+/2c5a4fac8bc8198f6a2635ede776f8de40a0c3e1

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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 local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.