PT-2018-1888 · Libvirt+5 · Libvirt+5

Published 2018-01-19 · Updated 2024-06-15 · CVE-2018-5748

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions libvirt (affected versions not specified)

Description The issue is related to a library management vulnerability in libvirt, which is caused by an error leading to excessive memory consumption when processing a large QEMU data stream. This can be exploited by a remote attacker to cause a denial of service. The vulnerability is associated with the qemu/qemu monitor.c component in libvirt, allowing attackers to consume memory via a large QEMU reply.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Resource Exhaustion

Weakness Enumeration

CWE-400

CWE-399

Related Identifiers

ALT-PU-2018-1530

ALT-PU-2018-2448

BDU:2018-01492

CESA-2018_1396

CESA-2018_1929

CVE-2018-5748

DLA-1315-1

DSA-4137-1

MGASA-2018-0153

OPENSUSE-SU-2024:11008-1

RHSA-2018:1396

RHSA-2018:1929

RHSA-2018_1396

RHSA-2018_1929

SUSE-SU-2018:0279-1

SUSE-SU-2018:0385-1

SUSE-SU-2018:0838-1

SUSE-SU-2018:1295-1

SUSE-SU-2018:2082-1

SUSE-SU-2018:2141-1

SUSE-SU-2018_0279-1

SUSE-SU-2018_0385-1

USN-3576-1

Affected Products

Alt Linux

Centos

Red Hat

Suse

Ubuntu

Libvirt

References · 94

• https://nvd.nist.gov/vuln/detail/CVE-2018-5748 · Security Note
• https://ubuntu.com/security/CVE-2018-5748 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-5748 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-1000256 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4137-1 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:1396 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0279-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-5748 · Vendor Advisory
• https://debian.org/security/2018/dsa-4137 · Vendor Advisory
• https://bdu.fstec.ru/vul/2018-01492 · Security Note
• https://ubuntu.com/security/CVE-2018-6764 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:0385-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-5748 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2018-5748 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3576-1 · Vendor Advisory