#VU31808 Infinite loop in QEMU - CVE-2020-13800

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Main Vulnerability Database Vulnerabilities #VU31808

#VU31808 Infinite loop in QEMU - CVE-2020-13800

Published: July 24, 2020


Vulnerability identifier: #VU31808
Vulnerability risk: 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-2020-13800
CWE-ID: CWE-835
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in ati-vga in hw/display/ati.c. A local user on the guest operating system can trigger infinite recursion via a crafted mm_index value during an ati_mm_read or ati_mm_write call and perform a denial of service attack against the host system.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links