Buffer overflow in Google, Google Android

1) Buffer overflow

EUVDB-ID: #VU36633

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-2018-11889

CWE-ID: CWE-119 - Memory corruption

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, when requesting rssi timeout, access invalid memory may occur since local variable 'context' stack data of wlan function is free.

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=4e9edcdbb8d7087dd2c7cc250813426c9c27c4d2
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.