Oracle Linux 8:virt:ol (ELSA-2020-2774)

medium Nessus Plugin ID 138202

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-2020-2774 公告中提及的多個弱點影響。

- 在 QEMU 4.1.0中所使用的 libslirp 4.2.0 中,tcp_subr.c 會誤用 snprintf 傳回值,進而在之後的程式碼中導致緩衝區溢位。(CVE-2020-8608)

- 在 QEMU 4.1.0 中,ui/vnc-enc-zrle.c 的 zrle_compress_data 在 VNC 中斷作業期間會發生記憶體洩漏問題,這是因為 libz 遭到誤用,導致 deflateInit2 中配置的記憶體未在 deflateEnd 中釋放。(CVE-2019-20382)

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。

解決方案

更新受影響的套件。

另請參閱

https://linux.oracle.com/errata/ELSA-2020-2774.html

Plugin 詳細資訊

嚴重性: Medium

ID: 138202

檔案名稱: oraclelinux_ELSA-2020-2774.nasl

版本: 1.5

類型: local

代理程式: unix

已發布: 2020/8/13

已更新: 2021/5/11

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

風險資訊

VPR

風險因素: Low

分數: 3.4

CVSS v2

風險因素: Medium

基本分數: 6.8

時間分數: 5

媒介: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS 評分資料來源: CVE-2020-8608

CVSS v3

風險因素: Medium

基本分數: 5.6

時間分數: 4.9

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

時間媒介: CVSS:3.0/E:U/RL:O/RC:C

弱點資訊

CPE: p-cpe:/a:oracle:linux:libvirt-daemon-kvm, p-cpe:/a:oracle:linux:nbdkit-devel, p-cpe:/a:oracle:linux:nbdkit-plugin-python-common, p-cpe:/a:oracle:linux:netcf, p-cpe:/a:oracle:linux:python3-libguestfs, p-cpe:/a:oracle:linux:supermin-devel, p-cpe:/a:oracle:linux:libguestfs-inspect-icons, p-cpe:/a:oracle:linux:libvirt, p-cpe:/a:oracle:linux:qemu-kvm, p-cpe:/a:oracle:linux:libguestfs-devel, p-cpe:/a:oracle:linux:libvirt-admin, p-cpe:/a:oracle:linux:libvirt-daemon, 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:seabios-bin, p-cpe:/a:oracle:linux:libguestfs-gfs2, p-cpe:/a:oracle:linux:libguestfs-java-devel, p-cpe:/a:oracle:linux:lua-guestfs, p-cpe:/a:oracle:linux:nbdkit-plugin-vddk, p-cpe:/a:oracle:linux:qemu-kvm-block-iscsi, p-cpe:/a:oracle:linux:libguestfs-tools-c, p-cpe:/a:oracle:linux:libvirt-daemon-config-nwfilter, p-cpe:/a:oracle:linux:libvirt-dbus, p-cpe:/a:oracle:linux:libvirt-lock-sanlock, p-cpe:/a:oracle:linux:ocaml-libguestfs, p-cpe:/a:oracle:linux:qemu-img, p-cpe:/a:oracle:linux:qemu-kvm-tests, p-cpe:/a:oracle:linux:seavgabios-bin, p-cpe:/a:oracle:linux:libguestfs-javadoc, p-cpe:/a:oracle:linux:libguestfs-man-pages-ja, p-cpe:/a:oracle:linux:libguestfs-rescue, 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:python3-hivex, p-cpe:/a:oracle:linux:ruby-libguestfs, p-cpe:/a:oracle:linux:sgabios, p-cpe:/a:oracle:linux:libguestfs-java, p-cpe:/a:oracle:linux:libiscsi-utils, 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, p-cpe:/a:oracle:linux:netcf-devel, p-cpe:/a:oracle:linux:virt-dib, p-cpe:/a:oracle:linux:hivex-devel, p-cpe:/a:oracle:linux:nbdkit-bash-completion, p-cpe:/a:oracle:linux:nbdkit-basic-plugins, p-cpe:/a:oracle:linux:nbdkit-plugin-python3, p-cpe:/a:oracle:linux:qemu-guest-agent, p-cpe:/a:oracle:linux:sgabios-bin, cpe:/o:oracle:linux:8, 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:perl-sys-virt, p-cpe:/a:oracle:linux:qemu-kvm-block-ssh, p-cpe:/a:oracle:linux:qemu-kvm-common, p-cpe:/a:oracle:linux:virt-v2v, p-cpe:/a:oracle:linux:libguestfs-gobject-devel, p-cpe:/a:oracle:linux:libguestfs-tools, p-cpe:/a:oracle:linux:libguestfs-winsupport, p-cpe:/a:oracle:linux:libvirt-nss, p-cpe:/a:oracle:linux:netcf-libs, p-cpe:/a:oracle:linux:python3-libvirt, p-cpe:/a:oracle:linux:libguestfs-benchmarking, p-cpe:/a:oracle:linux:libguestfs-gobject, p-cpe:/a:oracle:linux:libguestfs-man-pages-uk, p-cpe:/a:oracle:linux:libguestfs-rsync, p-cpe:/a:oracle:linux:libiscsi-devel, 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:nbdkit, p-cpe:/a:oracle:linux:ocaml-hivex, p-cpe:/a:oracle:linux:qemu-kvm-block-rbd, p-cpe:/a:oracle:linux:ruby-hivex, p-cpe:/a:oracle:linux:libguestfs-xfs, 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:qemu-kvm-block-gluster, p-cpe:/a:oracle:linux:supermin, p-cpe:/a:oracle:linux:libvirt-docs, p-cpe:/a:oracle:linux:ocaml-hivex-devel, p-cpe:/a:oracle:linux:hivex, p-cpe:/a:oracle:linux:libguestfs-bash-completion, p-cpe:/a:oracle:linux:qemu-kvm-block-curl, p-cpe:/a:oracle:linux:seabios, p-cpe:/a:oracle:linux:libguestfs, p-cpe:/a:oracle:linux:libiscsi, p-cpe:/a:oracle:linux:nbdkit-plugin-xz, p-cpe:/a:oracle:linux:ocaml-libguestfs-devel, p-cpe:/a:oracle:linux:libvirt-daemon-driver-qemu, p-cpe:/a:oracle:linux:nbdkit-example-plugins, p-cpe:/a:oracle:linux:nbdkit-plugin-gzip, p-cpe:/a:oracle:linux:perl-sys-guestfs, p-cpe:/a:oracle:linux:perl-hivex, p-cpe:/a:oracle:linux:qemu-kvm-core

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

可輕鬆利用: No known exploits are available

修補程式發佈日期: 2020/7/6

弱點發布日期: 2020/2/6

參考資訊

CVE: CVE-2019-20382, CVE-2020-8608