Vulnerability identifier: #VU46316
Vulnerability risk: Low
CVSSv3.1: 5 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-369
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
QEMU
Client/Desktop applications /
Virtualization software
Vendor: QEMU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to division by zero error within the oss_write() function in audio/ossaudio.c in QEMU. A remote user can run a specially crafted application to trigger the error and perform a denial if service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
QEMU: 4.0.0 - 4.2.1
External links
http://git.qemu.org/?p=qemu.git;a=commit;h=7a4ede0047a8613b0e3b72c9d351038f013dd357
http://usn.ubuntu.com/4467-1/
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.