Out-of-bounds read in Google, Google Android

1) Out-of-bounds read

EUVDB-ID: #VU36639

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-2018-11898

CWE-ID: CWE-125 - Out-of-bounds read

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, while processing start bss request from upper layer, out of bounds read occurs if ssid length is greater than maximum.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Google Android: All versions

External links

http://source.android.com/security/bulletin/2018-09-01#qualcomm-components
http://source.codeaurora.org/quic/la/platform/vendor/qcom-opensource/wlan/qcacld-3.0/commit/?id=dc657f502adb3038784b7488d2f183ed31b6aac3
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.