SB2018061251 - Buffer overflow in Google, Google Android
Published: June 12, 2018 Updated: August 8, 2020
Security Bulletin ID
SB2018061251
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-5843)
The vulnerability allows a local authenticated user to execute arbitrary code.
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.
Remediation
Install update from vendor's website.