偵測

Amazon Linux 2：libvirt (ALAS-2019-1361)

medium Nessus Plugin ID 131029

語系：

概要

遠端 Amazon Linux 2 主機缺少一個安全性更新。

說明

在 libvirt 透過 QEMU 代理程式取得介面資訊的方式中發現一個 NULL 指標解除參照缺陷。在客體虛擬機器內的攻擊者可利用此缺陷損毀 libvirtd 及造成拒絕服務。(CVE-2019-3840)

解決方案

執行「yum update libvirt」以更新系統。

另請參閱

https://alas.aws.amazon.com/AL2/ALAS-2019-1361.html

Plugin 詳細資訊

嚴重性: Medium

ID: 131029

檔案名稱: al2_ALAS-2019-1361.nasl

版本: 1.3

類型: local

代理程式: unix

已發布: 2019/11/15

已更新: 2024/4/11

支援的感應器: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus

風險資訊

VPR

風險因素: Medium

分數: 5.2

CVSS v2

風險因素: Low

基本分數: 3.5

時間分數: 2.7

媒介: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS 評分資料來源: CVE-2019-3840

CVSS v3

風險因素: Medium

基本分數: 6.3

時間分數: 5.7

媒介: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H

時間媒介: CVSS:3.0/E:P/RL:O/RC:C

弱點資訊

CPE: p-cpe:/a:amazon:linux:libvirt, p-cpe:/a:amazon:linux:libvirt-admin, p-cpe:/a:amazon:linux:libvirt-bash-completion, p-cpe:/a:amazon:linux:libvirt-client, p-cpe:/a:amazon:linux:libvirt-daemon, p-cpe:/a:amazon:linux:libvirt-daemon-config-network, p-cpe:/a:amazon:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:amazon:linux:libvirt-daemon-driver-interface, p-cpe:/a:amazon:linux:libvirt-daemon-driver-lxc, p-cpe:/a:amazon:linux:libvirt-daemon-driver-network, p-cpe:/a:amazon:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:amazon:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:amazon:linux:libvirt-daemon-driver-qemu, p-cpe:/a:amazon:linux:libvirt-daemon-driver-secret, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-core, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:amazon:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:amazon:linux:libvirt-daemon-kvm, p-cpe:/a:amazon:linux:libvirt-daemon-lxc, p-cpe:/a:amazon:linux:libvirt-debuginfo, p-cpe:/a:amazon:linux:libvirt-devel, p-cpe:/a:amazon:linux:libvirt-docs, p-cpe:/a:amazon:linux:libvirt-libs, p-cpe:/a:amazon:linux:libvirt-lock-sanlock, p-cpe:/a:amazon:linux:libvirt-login-shell, p-cpe:/a:amazon:linux:libvirt-nss, cpe:/o:amazon:linux:2

必要的 KB 項目: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

可被惡意程式利用: true

可輕鬆利用: Exploits are available

修補程式發佈日期: 2019/11/14

弱點發布日期: 2019/3/27

參考資訊

CVE: CVE-2019-3840

ALAS: 2019-1361