SB2019020609 - Privilege escalation in Marvell Avastar
Published: February 6, 2019
Security Bulletin ID
SB2019020609
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2019-6496)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows an adjacent unauthenticated attacker to execute arbitrary code on the host system.
The weakness exists due to a block pool memory overflow during Wi-Fi network scans. An adjacent attacker within Wi-Fi radio range can overwrite certain block pool data structures to intercept network traffic or execute arbitrary code on a system with a vulnerable Marvell SoC.
Remediation
Install update from vendor's website.