NULL pointer dereference in QEMU - CVE-2020-13659
Published: July 24, 2020
Vulnerability identifier: #VU31804
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-13659
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerable software:
QEMU
QEMU
Software vendor:
QEMU
QEMU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in exec.c, related to BounceBuffer. A local user on the guest operating system can perform a denial of service (DoS) attack against the host system.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..