#VU18154 NULL pointer dereference in libvirt - CVE-2019-3840

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Main Vulnerability Database Vulnerabilities #VU18154

#VU18154 NULL pointer dereference in libvirt - CVE-2019-3840

Published: April 9, 2019


Vulnerability identifier: #VU18154
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-3840
CWE-ID: CWE-476
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
libvirt
Software vendor:
libvirt.org

Description

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

The vulnerability exists due to a NULL pointer dreference error in libvirt in the way it processes interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service (DoS).


Remediation

Update to version 5.0.0.

External links