Vulnerability identifier: #VU31806
Vulnerability risk: Medium
CVSSv3.1: 8.2 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]
CVE-ID:
CWE-ID:
CWE-787
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
QEMU
Client/Desktop applications /
Virtualization software
Vendor: QEMU
Description
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in rom_copy() in hw/core/loader.c. A local user on the guest operating system can create a specially data to the application, trigger out-of-bounds write and execute arbitrary code on the host system.
Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
QEMU: 4.1.0 - 5.0.0
External links
http://git.qemu.org/?p=qemu.git;a=commit;h=e423455c4f23a1a828901c78fe6d03b7dde79319
http://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
http://security.netapp.com/advisory/ntap-20200619-0006/
http://www.openwall.com/lists/oss-security/2020/06/03/6
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.