Improper Validation of Array Index in Google, Google Android

1) Improper Validation of Array Index

EUVDB-ID: #VU36631

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-11883

CWE-ID: CWE-129 - Improper Validation of Array Index

Exploit availability: No

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

In all android releases (Android for MSM, Firefox OS for MSM, QRD Android) from CAF using the linux kernel, in policy mgr unit test if mode parameter in wlan function is given an out of bound value it can cause an out of bound access while accessing the PCL table.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

External links

http://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=5f21c4fa98f05423552da8716c80abfb7ca43091
http://www.codeaurora.org/security-bulletin/2018/09/04/september-2018-code-aurora-security-bulletin

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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