CVE-2018-5843 Information

Description

In the function wma_pdev_div_info_evt_handler() in all Android releases from CAF (Android for MSM Firefox OS for MSM QRD Android) using the Linux Kernel there is no upper bound check on the value event-num_chains_valid received from firmware which can lead to a buffer overwrite of the fixed size chain_rssi_result structure.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://source.android.com/security/bulletin/pixel/2018-05-01 https://www.codeaurora.org/security-bulletin/2018/05/11/may-2018-code-aurora-security-bulletin-2

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8