Oracle Linux 7:libvirt (ELSA-2022-10062)

medium Nessus 插件 ID 168425

简介

远程 Oracle Linux 主机缺少安全更新。

描述

远程 Oracle Linux 7 主机上安装的多个程序包受到 ELSA-2022-10062 公告中提及的一个漏洞影响。

- 当 libvirt 为 VM 的动态标签生成 SELinux MCS 类别对时,在 libvirt 发现一个缺陷。此缺陷允许遭到利用的客户机访问为另一个客户机标记的文件,从而导致突破 sVirt 限制。此漏洞最主要的威胁对象是机密性和完整性。
(CVE-2021-3631)

请注意,Nessus 尚未测试此问题,而是只依据应用程序自我报告的版本号进行判断。

解决方案

更新受影响的程序包。

另见

https://linux.oracle.com/errata/ELSA-2022-10062.html

插件详情

严重性: Medium

ID: 168425

文件名: oraclelinux_ELSA-2022-10062.nasl

版本: 1.3

类型: local

代理: unix

发布时间: 2022/12/6

最近更新时间: 2023/9/20

支持的传感器: Frictionless Assessment Agent, Nessus Agent, Nessus

风险信息

VPR

风险因素: Medium

分数: 6.0

CVSS v2

风险因素: Low

基本分数: 3.3

时间分数: 2.6

矢量: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS 分数来源: CVE-2021-3631

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

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

漏洞信息

CPE: p-cpe:/a:oracle:linux:libvirt-admin, p-cpe:/a:oracle:linux:libvirt-daemon, p-cpe:/a:oracle:linux:libvirt-daemon-driver-lxc, p-cpe:/a:oracle:linux:libvirt-daemon-driver-secret, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-iscsi, p-cpe:/a:oracle:linux:libvirt, p-cpe:/a:oracle:linux:libvirt-daemon-kvm, p-cpe:/a:oracle:linux:libvirt-client, p-cpe:/a:oracle:linux:libvirt-daemon-driver-network, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:oracle:linux:libvirt-devel, p-cpe:/a:oracle:linux:libvirt-libs, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-core, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:oracle:linux:libvirt-login-shell, p-cpe:/a:oracle:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:oracle:linux:libvirt-lock-sanlock, p-cpe:/a:oracle:linux:libvirt-daemon-lxc, p-cpe:/a:oracle:linux:libvirt-daemon-driver-interface, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-logical, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-mpath, p-cpe:/a:oracle:linux:libvirt-nss, p-cpe:/a:oracle:linux:python2-libvirt, p-cpe:/a:oracle:linux:libvirt-bash-completion, p-cpe:/a:oracle:linux:libvirt-daemon-config-network, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-rbd, p-cpe:/a:oracle:linux:libvirt-docs, p-cpe:/a:oracle:linux:libvirt-daemon-driver-qemu, p-cpe:/a:oracle:linux:libvirt-daemon-qemu

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

可利用: true

易利用性: Exploits are available

补丁发布日期: 2022/12/6

漏洞发布日期: 2021/11/9

参考资料信息

CVE: CVE-2021-3631