OracleVM 3.4:xen (OVMSA-2017-0116)

high Nessus Plugin ID 101195

概要

遠端 OracleVM 主機缺少一個或多個安全性更新。

說明

遠端 OracleVM 系統缺少可解決重大安全性更新的必要修補程式:

- BUILDINFO:xen commit=74b662e79bc874fe8ad8a93d2891e6569c380004

- BUILDINFO:QEMU 上游 commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- gnttab:__gnttab_unmap_common_complete 為 all-or-nothing (Jan Beulich) [Orabug:26288614]

- gnttab:修正映射請求期間,獲取頁面引用的邏輯 (George Dunlap) [Orabug:26288614]

- gnttab:除非要求,否則絕不建立主機映射 (Jan Beulich)

- gnttab:修復取消映射期間對 dev_bus_addr 的處理 (George Dunlap)

- x86/shadow:在仿真寫入期間持有引用 (Andrew Cooper) [Orabug:26288568]

- x86/mm:禁止從 HVM 域進行頁面竊取 (Jan Beulich)

- guest_physmap_remove_page 需要檢查其返回值 (Jan Beulich) [Orabug:26288602]

- xen/memory:修復對 guest_remove_page 的返回值處理 (Andrew Cooper) [Orabug:26288602]

- evtchn:避免空取消引用 (Jan Beulich) [Orabug:
26288583]

- gnttab:更正 maptrack 表訪問 (Jan Beulich) [Orabug:26288557]

- gnttab:避免潛在的 maptrack 條目雙重放置 (George Dunlap)

- gnttab:修復取消映射引腳核算爭用 (Jan Beulich) [Orabug:26288557]

- IOMMU:處理 IOMMU 映射和取消映射失敗 (Quan Xu) [Orabug:26288557]

- xen/disk:請勿透過響應環洩漏堆棧數據 (Jan Beulich)

- BUILDINFO:xen commit=7b45c3eb48a884f56f072a97a9a8da4d0b1077ed

- BUILDINFO:QEMU 上游 commit=44c5f0a55d9a73e592426c33ce5705c969681955

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- livepatch:在調試控制台上錯誤地使用了自旋鎖。
(Konrad Rzeszutek Wilk) [Orabug:26248311]

- BUILDINFO:xen commit=40e21e7aea2b8bbc991346c3f516dfac4f94affe

- BUILDINFO:QEMU 上游 commit=44c5f0a55d9a73e592426c33ce5705c969681955

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/do_invalid_op 應使用 is_active_kernel_text,而不是其 (Konrad Rzeszutek Wilk) [Orabug:
26129273]

- BUILDINFO:xen commit=0eadc919cf32139e5565e0d869ed09f35c0a3212

- BUILDINFO:QEMU 上游 commit=44c5f0a55d9a73e592426c33ce5705c969681955

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- kexec:為整個超級呼叫添加自旋鎖。(Konrad Rzeszutek Wilk)

- kexec:卸載 kexec 圖像時,清理 kexec_image插槽 (Bhavesh Davda) [Orabug:25861742]

- BUILDINFO:xen commit=8b90d66cd941599d50ee80e14fd144e337814bf6

- BUILDINFO:QEMU 上游 commit=44c5f0a55d9a73e592426c33ce5705c969681955

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86:更正 create_bounce_frame (以 CVE 編號標記) (Boris Ostrovsky) [Orabug:25927739] (CVE-2017-8905)

- x86:竊取頁面時丟棄類型信息 (以 CVE 編號標記) (Boris Ostrovsky) [Orabug:
25927669] (CVE-2017-8904)

- multicall:處理提前退出條件 (以 CVE 編號標記) (Boris Ostrovsky) [Orabug:25927592] (CVE-2017-8903)

- BUILDINFO:xen commit=583dedab5ceddbae4d0384de0ade8feeee75f78c

- BUILDINFO:QEMU 上游 commit=fcd17fdf18b95a9e408acc84f6d2b37cf3fc0335

- BUILDINFO:傳統 QEMU commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO:IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO:SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- tools/libxc:將 xc_lockprof_query_number 中的 max_elem 設為零 (Boris Ostrovsky) [Orabug:
26020611]

解決方案

更新受影響的 xen / xen-tools 套件。

另請參閱

https://oss.oracle.com/pipermail/oraclevm-errata/2017-June/000744.html

Plugin 詳細資訊

嚴重性: High

ID: 101195

檔案名稱: oraclevm_OVMSA-2017-0116.nasl

版本: 3.7

類型: local

已發布: 2017/7/3

已更新: 2021/1/4

支援的感應器: Nessus

風險資訊

VPR

風險因素: Medium

分數: 6.5

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 v3

風險因素: High

基本分數: 8.8

時間分數: 7.7

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

時間媒介: CVSS:3.0/E:U/RL:O/RC:C

弱點資訊

CPE: p-cpe:/a:oracle:vm:xen, p-cpe:/a:oracle:vm:xen-tools, cpe:/o:oracle:vm_server:3.4

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

可輕鬆利用: No known exploits are available

修補程式發佈日期: 2017/6/30

弱點發布日期: 2017/5/11

參考資訊

CVE: CVE-2017-8903, CVE-2017-8904, CVE-2017-8905