OracleVM 3.4 : xen (OVMSA-2018-0221)

High Nessus Plugin ID 109989

Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=5ee0a217664a1fde547afa506e92e4998ed26699

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- Red-tape: Update the repo with CVE XSA-262 (Boris Ostrovsky) [Orabug: 27948889] (CVE-2018-10981)

- Red-tape: Update the repo with CVE XSA-261 (Boris Ostrovsky) [Orabug: 27948864] (CVE-2018-10982)

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=a20dadee84429112c3b5f245180f72d990063d20

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/HVM: guard against emulator driving ioreq state in weird ways (Jan Beulich) [Orabug: 27948889]

- x86/vpt: add support for IO-APIC routed interrupts (Xen Project Security Team) [Orabug: 27948864]

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=c6b30b4f49430b1314928a4d98a5e9e754895e4d

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- vnuma: unset smt even if vnuma is off (Elena Ufimtseva) [Orabug: 27950640]

- x86/paging: don't unconditionally BUG on finding SHARED_M2P_ENTRY (Jan Beulich) [Orabug: 27965254] (CVE-2017-17565)

- x86/mm: don't wrongly set page ownership (Jan Beulich) [Orabug: 27965236] (CVE-2017-17566)

- misc/xenmicrocode: Upload /lib/firmware/<some blob> to the hypervisor (Konrad Rzeszutek Wilk) [Orabug:
27957822]

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=75ac5267506600d4587b80daae6bb694099e2c03

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- x86/traps: Fix handling of #DB exceptions in hypervisor context (Andrew Cooper) [Orabug: 27963989] (CVE-2018-8897)

- x86/traps: Use an Interrupt Stack Table for #DB (Andrew Cooper) [Orabug: 27963989] (CVE-2018-8897)

- x86/pv: Move exception injection into [,compat_]test_all_events (Andrew Cooper) [Orabug:
27963989] (CVE-2018-8897)

- x86/traps: Fix %dr6 handing in #DB handler (Andrew Cooper) [Orabug: 27963989] (CVE-2018-8897)

- x86/traps: Misc non-functional improvements to set_debugreg (Andrew Cooper) [Orabug: 27963989] (CVE-2018-8897)

- x86/pv: Several bugs in set_debugreg (Ross Philipson) [Orabug: 27963989] (CVE-2018-8897)

- x86/pv: The do_get_debugreg CR4.DE condition is inverted. (Ross Philipson) [Orabug: 27963989] (CVE-2018-8897)

- BUILDINFO: OVMF commit=173bf5c847e3ca8b42c11796ce048d8e2e916ff8

- BUILDINFO: xen commit=d787e7a9d35cc2880b525f1d7a35f27969590f4c

- BUILDINFO: QEMU upstream commit=8bff6989bd0bafcc0ddf859c23ce6a2ff21a80ff

- BUILDINFO: QEMU traditional commit=346fdd7edd73f8287d0d0a2bab9c67b71bc6b8ba

- BUILDINFO: IPXE commit=9a93db3f0947484e30e753bbd61a10b17336e20e

- BUILDINFO: SeaBIOS commit=7d9cbe613694924921ed1a6f8947d711c5832eee

- vnuma: don't turn on smt for odd number of vcpus (Elena Ufimtseva)

Solution

Update the affected xen / xen-tools packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2018-May/000857.html

Plugin Details

Severity: High

ID: 109989

File Name: oraclevm_OVMSA-2018-0221.nasl

Version: 1.9

Type: local

Published: 2018/05/23

Updated: 2019/04/05

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:H/RL:OF/RC:C

CVSS v3.0

Base Score: 8.8

Temporal Score: 8.4

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

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

Required KB Items: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/05/22

Exploitable With

Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)

Reference Information

CVE: CVE-2017-17565, CVE-2017-17566, CVE-2018-10981, CVE-2018-10982, CVE-2018-8897