Vulnerability identifier: #VU45985
Vulnerability risk: Medium
Exploitation vector: Local network
Exploit availability: Yes
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error within the USB emulator in QEMU. A remote user with access to guest operating system on the guest operating system can send specially crafted USB packets, trigger out-of-bounds write and execute arbitrary code on the host system.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
QEMU: 4.0.0, 4.0.1, 4.1.0, 4.1.1, 4.2.0, 4.2.1, 5.0.0, 5.1.0
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.