SB2021032316 - Remote code execution in QEMU SDHCI controller emulation
Published: March 23, 2021 Updated: October 20, 2022
Security Bulletin ID
SB2021032316
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2021-3409)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error in the SDHCI controller emulation code. A remote user on the guest OS can trigger an out-of-bounds write and execute arbitrary code on QEMU host.
Remediation
Install update from vendor's website.