SB2019070604 - Buffer overflow in QEMU
Published: July 6, 2019 Updated: July 18, 2019
Security Bulletin ID
SB2019070604
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-20815)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the deprecated "load_image" function, as defined in the "device_tree.c" file. A remote attacker can submit a large image file to the affected system, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.