检测

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

medium Nessus 插件 ID 131029

语言：

简介

远程 Amazon Linux 2 主机缺少安全更新。

描述

在 libvirt 通过 QEMU 代理获取接口信息的方式中，在 libvirt 内发现一个空指针取消引用缺陷。在客户机 VM 内的攻击者可利用此缺陷损毁 libvirtd 并造成拒绝服务。(CVE-2019-3840)

解决方案

运行 'yum update libvirt' 以更新系统。

另见

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

插件详情

严重性: Medium

ID: 131029

文件名: al2_ALAS-2019-1361.nasl

版本: 1.5

类型: local

代理: unix

发布时间: 2019/11/15

最近更新时间: 2025/2/21

支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

风险信息

VPR

风险因素: Medium

分数: 5.2

CVSS v2

风险因素: Low

基本分数: 3.5

时间分数: 2.7

矢量: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS 分数来源: CVE-2019-3840

CVSS v3

风险因素: Medium

基本分数: 6.3

时间分数: 5.7

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

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

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

必需的 KB 项: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

可利用: true

易利用性: Exploits are available

补丁发布日期: 2019/11/14

漏洞发布日期: 2019/3/27

参考资料信息

CVE: CVE-2019-3840

ALAS: 2019-1361