#VU36634 Improper Validation of Array Index in Google Android


Published: 2018-09-19 | Updated: 2020-08-08

Vulnerability identifier: #VU36634

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11891

CWE-ID: CWE-129

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.

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, lack of check on the length of array while accessing can lead to an out of bound read in WLAN HOST function.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Google Android:


External links
http://www.securityfocus.com/bid/107770
http://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=2fc3e8a2ae8233690872d313fbfb4c74d0c61daa
http://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin


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.


Latest bulletins with this vulnerability