#VU68559 Out-of-bounds write in QEMU - CVE-2021-3409

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Main Vulnerability Database Vulnerabilities #VU68559

#VU68559 Out-of-bounds write in QEMU - CVE-2021-3409

Published: October 20, 2022


Vulnerability identifier: #VU68559
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2021-3409
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

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 updates from vendor's website.

External links