openSUSEセキュリティ更新プログラム:Linux カーネル(openSUSE-2016-1436)

critical Nessus プラグイン ID 95708

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概要

リモートのopenSUSEホストに、セキュリティ更新プログラムがありません。

説明

openSUSE 13.1カーネルが更新され、さまざまな重要なセキュリティ修正が行われました。

以下のセキュリティバグが修正されました。

- CVE-2016-8655:A race condition in the af_packet packet_set_ring function could be used by local attackers to crash the kernel or gain privileges (bsc#1012754).

- CVE-2016-8632:Linuxカーネルのnet/tipc/msg.cにあるtipc_msg_build関数が、最小フラグメント長と最大パケットサイズの関係を検証しませんでした。これにより、ローカルユーザーがCAP_NET_ADMIN機能を利用して権限を取得したり、サービス拒否(ヒープベースのバッファオーバーフロー)を引き起こす可能性がありました(bnc#1008831)。

- CVE-2016-9555:Linuxカーネルのnet/sctp/sm_statefuns.cのsctp_sf_ootb関数に、最初のチャンクのチャンク長チェックがないため、リモート攻撃者が、細工されたSCTPデータを介して、サービス拒否(領域外スラブアクセス)を引き起こしたり、他の特定されない影響を及ぼしたりする可能性があります(bnc#1011685)。

ソリューション

影響を受ける Linux カーネルパッケージを更新してください。

参考資料

https://bugzilla.opensuse.org/show_bug.cgi?id=1008831

https://bugzilla.opensuse.org/show_bug.cgi?id=1011685

https://bugzilla.opensuse.org/show_bug.cgi?id=1012754

プラグインの詳細

深刻度: Critical

ID: 95708

ファイル名: openSUSE-2016-1436.nasl

バージョン: 3.7

タイプ: local

エージェント: unix

公開日: 2016/12/12

更新日: 2021/1/19

サポートされているセンサー: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

リスク情報

VPR

リスクファクター: Critical

スコア: 9.6

CVSS v2

リスクファクター: Critical

基本値: 10

現状値: 8.7

ベクトル: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3

リスクファクター: Critical

基本値: 9.8

現状値: 9.4

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

現状ベクトル: CVSS:3.0/E:H/RL:O/RC:C

脆弱性情報

CPE: p-cpe:/a:novell:opensuse:virtualbox-guest-tools, p-cpe:/a:novell:opensuse:virtualbox-guest-tools-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-x11, p-cpe:/a:novell:opensuse:virtualbox-guest-x11-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-default, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-desktop, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-pae, p-cpe:/a:novell:opensuse:virtualbox-host-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-host-source, p-cpe:/a:novell:opensuse:virtualbox-qt, p-cpe:/a:novell:opensuse:virtualbox-qt-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-websrv, p-cpe:/a:novell:opensuse:virtualbox-websrv-debuginfo, p-cpe:/a:novell:opensuse:xen, p-cpe:/a:novell:opensuse:xen-debugsource, p-cpe:/a:novell:opensuse:xen-devel, p-cpe:/a:novell:opensuse:xen-doc-html, p-cpe:/a:novell:opensuse:xen-kmp-default, p-cpe:/a:novell:opensuse:xen-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:xen-kmp-desktop, p-cpe:/a:novell:opensuse:xen-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:xen-kmp-pae, p-cpe:/a:novell:opensuse:xen-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:xen-libs, p-cpe:/a:novell:opensuse:xen-libs-32bit, p-cpe:/a:novell:opensuse:xen-libs-debuginfo, p-cpe:/a:novell:opensuse:xen-libs-debuginfo-32bit, p-cpe:/a:novell:opensuse:xen-tools, p-cpe:/a:novell:opensuse:xen-tools-debuginfo, p-cpe:/a:novell:opensuse:xen-tools-domu, p-cpe:/a:novell:opensuse:xen-tools-domu-debuginfo, p-cpe:/a:novell:opensuse:xen-xend-tools, p-cpe:/a:novell:opensuse:xen-xend-tools-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons, p-cpe:/a:novell:opensuse:xtables-addons-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-debugsource, p-cpe:/a:novell:opensuse:xtables-addons-kmp-default, p-cpe:/a:novell:opensuse:xtables-addons-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-kmp-desktop, p-cpe:/a:novell:opensuse:xtables-addons-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-kmp-pae, p-cpe:/a:novell:opensuse:xtables-addons-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:xtables-addons-kmp-xen, p-cpe:/a:novell:opensuse:xtables-addons-kmp-xen-debuginfo, cpe:/o:novell:opensuse:13.1, p-cpe:/a:novell:opensuse:cloop, p-cpe:/a:novell:opensuse:cloop-debuginfo, p-cpe:/a:novell:opensuse:cloop-debugsource, p-cpe:/a:novell:opensuse:cloop-kmp-default, p-cpe:/a:novell:opensuse:cloop-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:cloop-kmp-desktop, p-cpe:/a:novell:opensuse:cloop-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:cloop-kmp-pae, p-cpe:/a:novell:opensuse:cloop-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:cloop-kmp-xen, p-cpe:/a:novell:opensuse:cloop-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:crash, p-cpe:/a:novell:opensuse:crash-debuginfo, p-cpe:/a:novell:opensuse:crash-debugsource, p-cpe:/a:novell:opensuse:crash-devel, p-cpe:/a:novell:opensuse:crash-eppic, p-cpe:/a:novell:opensuse:crash-eppic-debuginfo, p-cpe:/a:novell:opensuse:crash-gcore, p-cpe:/a:novell:opensuse:crash-gcore-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-default, p-cpe:/a:novell:opensuse:crash-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-desktop, p-cpe:/a:novell:opensuse:crash-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-pae, p-cpe:/a:novell:opensuse:crash-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:crash-kmp-xen, p-cpe:/a:novell:opensuse:crash-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-debugsource, p-cpe:/a:novell:opensuse:hdjmod-kmp-default, p-cpe:/a:novell:opensuse:hdjmod-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-desktop, p-cpe:/a:novell:opensuse:hdjmod-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-pae, p-cpe:/a:novell:opensuse:hdjmod-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:hdjmod-kmp-xen, p-cpe:/a:novell:opensuse:hdjmod-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:ipset, p-cpe:/a:novell:opensuse:ipset-debuginfo, p-cpe:/a:novell:opensuse:ipset-debugsource, p-cpe:/a:novell:opensuse:ipset-devel, p-cpe:/a:novell:opensuse:ipset-kmp-default, p-cpe:/a:novell:opensuse:ipset-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-desktop, p-cpe:/a:novell:opensuse:ipset-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-pae, p-cpe:/a:novell:opensuse:ipset-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:ipset-kmp-xen, p-cpe:/a:novell:opensuse:ipset-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:iscsitarget, p-cpe:/a:novell:opensuse:iscsitarget-debuginfo, p-cpe:/a:novell:opensuse:iscsitarget-debugsource, p-cpe:/a:novell:opensuse:iscsitarget-kmp-default, p-cpe:/a:novell:opensuse:iscsitarget-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:iscsitarget-kmp-desktop, p-cpe:/a:novell:opensuse:iscsitarget-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:iscsitarget-kmp-pae, p-cpe:/a:novell:opensuse:iscsitarget-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:iscsitarget-kmp-xen, p-cpe:/a:novell:opensuse:iscsitarget-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug, p-cpe:/a:novell:opensuse:kernel-debug-base, p-cpe:/a:novell:opensuse:kernel-debug-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-debuginfo, p-cpe:/a:novell:opensuse:kernel-debug-debugsource, p-cpe:/a:novell:opensuse:kernel-debug-devel, p-cpe:/a:novell:opensuse:kernel-debug-devel-debuginfo, p-cpe:/a:novell:opensuse:kernel-default, p-cpe:/a:novell:opensuse:kernel-default-base, p-cpe:/a:novell:opensuse:kernel-default-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-default-debuginfo, p-cpe:/a:novell:opensuse:kernel-default-debugsource, p-cpe:/a:novell:opensuse:kernel-default-devel, p-cpe:/a:novell:opensuse:kernel-desktop, p-cpe:/a:novell:opensuse:kernel-desktop-base, p-cpe:/a:novell:opensuse:kernel-desktop-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-desktop-debuginfo, p-cpe:/a:novell:opensuse:kernel-desktop-debugsource, p-cpe:/a:novell:opensuse:kernel-desktop-devel, p-cpe:/a:novell:opensuse:kernel-devel, p-cpe:/a:novell:opensuse:kernel-ec2, p-cpe:/a:novell:opensuse:kernel-ec2-base, p-cpe:/a:novell:opensuse:kernel-ec2-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-ec2-debuginfo, p-cpe:/a:novell:opensuse:kernel-ec2-debugsource, p-cpe:/a:novell:opensuse:kernel-ec2-devel, p-cpe:/a:novell:opensuse:kernel-macros, p-cpe:/a:novell:opensuse:kernel-pae, p-cpe:/a:novell:opensuse:kernel-pae-base, p-cpe:/a:novell:opensuse:kernel-pae-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae-debuginfo, p-cpe:/a:novell:opensuse:kernel-pae-debugsource, p-cpe:/a:novell:opensuse:kernel-pae-devel, p-cpe:/a:novell:opensuse:kernel-source, p-cpe:/a:novell:opensuse:kernel-source-vanilla, p-cpe:/a:novell:opensuse:kernel-syms, p-cpe:/a:novell:opensuse:kernel-trace, p-cpe:/a:novell:opensuse:kernel-trace-base, p-cpe:/a:novell:opensuse:kernel-trace-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-trace-debuginfo, p-cpe:/a:novell:opensuse:kernel-trace-debugsource, p-cpe:/a:novell:opensuse:kernel-trace-devel, p-cpe:/a:novell:opensuse:kernel-vanilla, p-cpe:/a:novell:opensuse:kernel-vanilla-debuginfo, p-cpe:/a:novell:opensuse:kernel-vanilla-debugsource, p-cpe:/a:novell:opensuse:kernel-vanilla-devel, p-cpe:/a:novell:opensuse:kernel-xen, p-cpe:/a:novell:opensuse:kernel-xen-base, p-cpe:/a:novell:opensuse:kernel-xen-base-debuginfo, p-cpe:/a:novell:opensuse:kernel-xen-debuginfo, p-cpe:/a:novell:opensuse:kernel-xen-debugsource, p-cpe:/a:novell:opensuse:kernel-xen-devel, p-cpe:/a:novell:opensuse:libipset3, p-cpe:/a:novell:opensuse:libipset3-debuginfo, p-cpe:/a:novell:opensuse:ndiswrapper, p-cpe:/a:novell:opensuse:ndiswrapper-debuginfo, p-cpe:/a:novell:opensuse:ndiswrapper-debugsource, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-default, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-desktop, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-pae, p-cpe:/a:novell:opensuse:ndiswrapper-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:openvswitch, p-cpe:/a:novell:opensuse:openvswitch-controller, p-cpe:/a:novell:opensuse:openvswitch-controller-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-debugsource, p-cpe:/a:novell:opensuse:openvswitch-kmp-default, p-cpe:/a:novell:opensuse:openvswitch-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-kmp-desktop, p-cpe:/a:novell:opensuse:openvswitch-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-kmp-pae, p-cpe:/a:novell:opensuse:openvswitch-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-kmp-xen, p-cpe:/a:novell:opensuse:openvswitch-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-pki, p-cpe:/a:novell:opensuse:openvswitch-switch, p-cpe:/a:novell:opensuse:openvswitch-switch-debuginfo, p-cpe:/a:novell:opensuse:openvswitch-test, p-cpe:/a:novell:opensuse:pcfclock, p-cpe:/a:novell:opensuse:pcfclock-debuginfo, p-cpe:/a:novell:opensuse:pcfclock-debugsource, p-cpe:/a:novell:opensuse:pcfclock-kmp-default, p-cpe:/a:novell:opensuse:pcfclock-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:pcfclock-kmp-desktop, p-cpe:/a:novell:opensuse:pcfclock-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:pcfclock-kmp-pae, p-cpe:/a:novell:opensuse:pcfclock-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:python-openvswitch, p-cpe:/a:novell:opensuse:python-openvswitch-test, p-cpe:/a:novell:opensuse:python-virtualbox, p-cpe:/a:novell:opensuse:python-virtualbox-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-debugsource, p-cpe:/a:novell:opensuse:vhba-kmp-default, p-cpe:/a:novell:opensuse:vhba-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-desktop, p-cpe:/a:novell:opensuse:vhba-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-pae, p-cpe:/a:novell:opensuse:vhba-kmp-pae-debuginfo, p-cpe:/a:novell:opensuse:vhba-kmp-xen, p-cpe:/a:novell:opensuse:vhba-kmp-xen-debuginfo, p-cpe:/a:novell:opensuse:virtualbox, p-cpe:/a:novell:opensuse:virtualbox-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-debugsource, p-cpe:/a:novell:opensuse:virtualbox-devel, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-default, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-default-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-desktop, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-desktop-debuginfo, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-pae, p-cpe:/a:novell:opensuse:virtualbox-guest-kmp-pae-debuginfo

必要な KB アイテム: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

エクスプロイトが利用可能: true

エクスプロイトの容易さ: Exploits are available

パッチ公開日: 2016/12/10

エクスプロイト可能

Core Impact

Metasploit (AF_PACKET chocobo_root Privilege Escalation)

参照情報

CVE: CVE-2016-8632, CVE-2016-8655, CVE-2016-9555