Improper Validation of Array Index in Google, Google Android

1) Improper Validation of Array Index

EUVDB-ID: #VU36634

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 - Improper Validation of Array Index

Exploit availability: No

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: All versions

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.