Oracle Linux 8：virt：rhel (ELSA-2019-1580)
high Nessus Plugin ID 180761
語系：
概要
遠端 Oracle Linux 主機缺少一個或多個安全性更新。說明
遠端 Oracle Linux 8 主機中安裝的套件受到 ELSA-2019-1580 公告中提及的多個弱點影響。- virConnectGetDomainCapabilities() libvirt API 4.x.x 的 4.10.1 之前版本以及 5.x.x 的 5.4.1 之前版本接受「emulatorbin」引數，以指定為網域提供模擬的程式。自 v1.2.19 起，libvirt 將會執行該程式以探查網域的功能。唯讀用戶端可為此引數指定任意路徑，進而造成 libvirtd 以其自身權限執行特製的可執行檔。(CVE-2019-10167)
- virConnectBaselineHypervisorCPU() 和 virConnectCompareHypervisorCPU() libvirt API 4.x.x 的 4.10.1 之前版本以及 5.x.x 的 5.4.1 之前版本接受模擬器引數，以指定為網域提供模擬的程式。自 v1.2.19 起，libvirt 將會執行該程式以探查網域的功能。唯讀用戶端可為此引數指定任意路徑，進而造成 libvirtd 以其自身權限執行特製的可執行檔。(CVE-2019-10168)
- 據發現，libvirtd 4.10.1 之前版本和 5.4.1 版會允許唯讀用戶端使用 virDomainSaveImageGetXMLDesc() API，指定可用 libvirtd 處理程序權限存取的任意路徑。能夠存取 libvirtd 通訊端的攻擊者可利用此弱點，來探測任意檔案的存在狀況、造成拒絕服務或促使 libvirtd 執行任意程式。(CVE-2019-10161)
- 據發現，libvirtd 4.x.x 的 4.10.1 之前版本以及 5.x.x 的 5.4.1 之前版本會允許唯讀用戶端使用 virDomainManagedSaveDefineXML() API，進而修改託管的儲存狀態檔案。如果有權限的使用者已建立了受管理的儲存檔，本機攻擊者可修改此檔案，如此一來，libvirtd 會在網域恢復時執行任意程式。
(CVE-2019-10166)
請注意，Nessus 並未測試這些問題，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: High
ID: 180761
檔案名稱: oraclelinux_ELSA-2019-1580.nasl
版本: 1.0
類型: local
代理程式: unix
已發布: 2023/9/7
已更新: 2023/9/7
支援的感應器: Frictionless Assessment Agent, Nessus Agent, Nessus
風險資訊
VPR
風險因素: Medium
分數: 6.7
CVSS v2
風險因素: High
基本分數: 7.2
時間分數: 5.3
媒介: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS 評分資料來源: CVE-2019-10161
CVSS v3
風險因素: High
基本分數: 7.8
時間分數: 6.8
媒介: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
時間媒介: CVSS:3.0/E:U/RL:O/RC:C
CVSS 評分資料來源: CVE-2019-10168
弱點資訊
CPE: p-cpe:/a:oracle:linux:virt-dib, p-cpe:/a:oracle:linux:virt-p2v-maker, p-cpe:/a:oracle:linux:virt-v2v, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:hivex, p-cpe:/a:oracle:linux:hivex-devel, p-cpe:/a:oracle:linux:libguestfs, p-cpe:/a:oracle:linux:libguestfs-bash-completion, p-cpe:/a:oracle:linux:libguestfs-benchmarking, p-cpe:/a:oracle:linux:libguestfs-devel, p-cpe:/a:oracle:linux:libguestfs-gfs2, p-cpe:/a:oracle:linux:libguestfs-gobject, p-cpe:/a:oracle:linux:libguestfs-gobject-devel, p-cpe:/a:oracle:linux:libguestfs-inspect-icons, p-cpe:/a:oracle:linux:libguestfs-java, p-cpe:/a:oracle:linux:libguestfs-java-devel, p-cpe:/a:oracle:linux:libguestfs-javadoc, p-cpe:/a:oracle:linux:libguestfs-man-pages-ja, p-cpe:/a:oracle:linux:libguestfs-man-pages-uk, p-cpe:/a:oracle:linux:libguestfs-rescue, p-cpe:/a:oracle:linux:libguestfs-rsync, p-cpe:/a:oracle:linux:libguestfs-tools, p-cpe:/a:oracle:linux:libguestfs-tools-c, p-cpe:/a:oracle:linux:libguestfs-winsupport, p-cpe:/a:oracle:linux:libguestfs-xfs, p-cpe:/a:oracle:linux:libiscsi, p-cpe:/a:oracle:linux:libiscsi-devel, p-cpe:/a:oracle:linux:libiscsi-utils, p-cpe:/a:oracle:linux:libssh2, p-cpe:/a:oracle:linux:libvirt, p-cpe:/a:oracle:linux:libvirt-admin, p-cpe:/a:oracle:linux:libvirt-bash-completion, p-cpe:/a:oracle:linux:libvirt-client, p-cpe:/a:oracle:linux:libvirt-daemon, p-cpe:/a:oracle:linux:libvirt-daemon-config-network, p-cpe:/a:oracle:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:oracle:linux:libvirt-daemon-driver-interface, p-cpe:/a:oracle:linux:libvirt-daemon-driver-network, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nodedev, p-cpe:/a:oracle:linux:libvirt-daemon-driver-nwfilter, p-cpe:/a:oracle:linux:libvirt-daemon-driver-qemu, 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-core, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-disk, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-gluster, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-iscsi, 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-daemon-driver-storage-rbd, p-cpe:/a:oracle:linux:libvirt-daemon-driver-storage-scsi, p-cpe:/a:oracle:linux:libvirt-daemon-kvm, p-cpe:/a:oracle:linux:libvirt-dbus, p-cpe:/a:oracle:linux:libvirt-devel, p-cpe:/a:oracle:linux:libvirt-docs, p-cpe:/a:oracle:linux:libvirt-libs, p-cpe:/a:oracle:linux:libvirt-lock-sanlock, p-cpe:/a:oracle:linux:libvirt-nss, p-cpe:/a:oracle:linux:lua-guestfs, p-cpe:/a:oracle:linux:nbdkit, p-cpe:/a:oracle:linux:nbdkit-bash-completion, p-cpe:/a:oracle:linux:nbdkit-basic-plugins, p-cpe:/a:oracle:linux:nbdkit-devel, p-cpe:/a:oracle:linux:nbdkit-example-plugins, p-cpe:/a:oracle:linux:nbdkit-plugin-gzip, p-cpe:/a:oracle:linux:nbdkit-plugin-python-common, p-cpe:/a:oracle:linux:nbdkit-plugin-python3, p-cpe:/a:oracle:linux:nbdkit-plugin-vddk, p-cpe:/a:oracle:linux:nbdkit-plugin-xz, p-cpe:/a:oracle:linux:netcf, p-cpe:/a:oracle:linux:netcf-devel, p-cpe:/a:oracle:linux:netcf-libs, p-cpe:/a:oracle:linux:perl-sys-guestfs, p-cpe:/a:oracle:linux:perl-sys-virt, p-cpe:/a:oracle:linux:perl-hivex, p-cpe:/a:oracle:linux:python3-hivex, p-cpe:/a:oracle:linux:python3-libguestfs, p-cpe:/a:oracle:linux:python3-libvirt, p-cpe:/a:oracle:linux:qemu-guest-agent, p-cpe:/a:oracle:linux:qemu-img, p-cpe:/a:oracle:linux:qemu-kvm, p-cpe:/a:oracle:linux:qemu-kvm-block-curl, p-cpe:/a:oracle:linux:qemu-kvm-block-gluster, p-cpe:/a:oracle:linux:qemu-kvm-block-iscsi, p-cpe:/a:oracle:linux:qemu-kvm-block-rbd, p-cpe:/a:oracle:linux:qemu-kvm-block-ssh, p-cpe:/a:oracle:linux:qemu-kvm-common, p-cpe:/a:oracle:linux:qemu-kvm-core, p-cpe:/a:oracle:linux:ruby-hivex, p-cpe:/a:oracle:linux:ruby-libguestfs, p-cpe:/a:oracle:linux:seabios, p-cpe:/a:oracle:linux:seabios-bin, p-cpe:/a:oracle:linux:seavgabios-bin, p-cpe:/a:oracle:linux:sgabios, p-cpe:/a:oracle:linux:sgabios-bin, p-cpe:/a:oracle:linux:supermin, p-cpe:/a:oracle:linux:supermin-devel
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: 2019/7/30
弱點發布日期: 2019/6/20
參考資訊
CVE: CVE-2019-10161, CVE-2019-10166, CVE-2019-10167, CVE-2019-10168