Oracle Linux 7：libvirt (ELSA-2022-10062)
medium Nessus Plugin ID 168425
語系：
Synopsis
遠端 Oracle Linux 主機缺少安全性更新。描述
遠端 Oracle Linux 7 主機上安裝的套件受到 ELSA-2022-10062 公告中提及的一個弱點影響。- 在 libvirt 針對 VM 的動態標籤產生 SELinux MCS 類別對時，在 libvirt 中發現一個缺陷。此缺陷允許遭惡意利用的來賓存取標記為其他來賓的檔案，進而導致突破 sVirt 限制。此弱點對機密性與完整性的威脅最大。
(CVE-2021-3631)
請注意，Nessus 並未測試此問題，而是僅依據應用程式自我報告的版本號碼作出判斷。
解決方案
更新受影響的套件。另請參閱
Plugin 詳細資訊
嚴重性: Medium
ID: 168425
檔案名稱: oraclelinux_ELSA-2022-10062.nasl
版本: 1.2
類型: local
代理程式: unix
已發布: 2022/12/6
已更新: 2022/12/6
支持的傳感器: Frictionless Assessment Agent, Nessus Agent
風險資訊
VPR
風險因素: Medium
分數: 6
CVSS v2
風險因素: Low
基本分數: 3.3
時間分數: 2.4
媒介: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:N
時間媒介: CVSS2#E:U/RL:OF/RC:C
CVSS 評分資料來源: CVE-2021-3631
CVSS v3
風險因素: Medium
基本分數: 6.3
時間分數: 5.5
媒介: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
時間媒介: CVSS:3.0/E:U/RL:O/RC:C
弱點資訊
CPE: cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-client:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-lock-sanlock:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-config-network:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-config-nwfilter:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-interface:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-lxc:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-network:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-nodedev:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-nwfilter:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-qemu:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-secret:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-lxc:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-docs:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-login-shell:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-nss:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-admin:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-bash-completion:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-core:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-disk:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-gluster:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-iscsi:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-logical:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-mpath:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-rbd:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-driver-storage-scsi:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-libs:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:libvirt-daemon-qemu:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:python2-libvirt:*:*:*:*:*:*:*
必要的 KB 項目: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux
可輕鬆利用: No known exploits are available
修補程式發佈日期: 2022/12/6
弱點發布日期: 2021/11/9
參考資訊
CVE: CVE-2021-3631