Improper access control in Google, Google Android

1) Improper access control

EUVDB-ID: #VU40076

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2016-3882

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Off-by-one error in server/wifi/anqp/VenueNameElement.java in Wi-Fi in Android 6.x before 2016-10-01 and 7.0 before 2016-10-01 allows remote attackers to cause a denial of service (reboot) via an access point that provides a crafted (1) Venue Group or (2) Venue Type value, aka internal bug 29464811.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: 6.0 - 7.0

CPE2.3

• cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*
• cpe:2.3:o:google:android:*:*:*:*:*:*:*:*

External links

https://source.android.com/security/bulletin/2016-10-01.html
https://www.securityfocus.com/bid/93295
https://android.googlesource.com/platform/frameworks/opt/net/wifi/+/35a86eef3c0eef760f7e61c52a343327ba601630

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.