OracleVM 3.3 : Unbreakable / etc (OVMSA-2018-0041) (Spectre)

High Nessus Plugin ID 109668

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 :

- x86/entry/64: Don't use IST entry for #BP stack (Andy Lutomirski) (CVE-2018-8897)

- perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds) [Orabug: 27947608] (CVE-2018-100199)

- x86/microcode: probe CPU features on microcode update (Ankur Arora)

- x86/microcode: microcode_write should not reference boot_cpu_data (Ankur Arora) [Orabug: 27806667]

- x86/cpufeatures: use cpu_data in init_scattered_cpuid_flags (Ankur Arora) [Orabug:
27806667]

- Drivers: hv: fcopy: set .owner reference for file operations (Joe Jin) [Orabug: 21191022]

- ALSA: usb-audio: Kill stray URB at exiting (Takashi Iwai) [Orabug: 27148281] (CVE-2017-16527)

- HID: usbhid: fix out-of-bounds bug (Jaejoong Kim) [Orabug: 27207929] (CVE-2017-16533)

- [media] cx231xx-cards: fix NULL-deref on missing association descriptor (Johan Hovold) [Orabug: 27208072] (CVE-2017-16536)

- net: cdc_ether: fix divide by 0 on bad descriptors (Bj&oslash rn Mork) [Orabug: 27215201] (CVE-2017-16649)

- x86/microcode/intel: Extend BDW late-loading with a revision check (Jia Zhang) [Orabug: 27343577]

- x86/microcode/intel: Disable late loading on model 79 (Borislav Petkov) [Orabug: 27343577]

- Bluetooth: bnep: bnep_add_connection should verify that it's dealing with l2cap socket (Al Viro) [Orabug:
27344793] (CVE-2017-15868)

- Bluetooth: hidp: verify l2cap sockets (David Herrmann) [Orabug: 27344793] (CVE-2017-15868)

- ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser) [Orabug: 27344843] (CVE-2017-0861) (CVE-2017-0861)

- ptrace: use fsuid, fsgid, effective creds for fs access checks (Jann Horn) [Orabug: 27364691] (CVE-2017-14140)

- sctp: do not peel off an assoc from one netns to another one (Xin Long) [Orabug: 27387001] (CVE-2017-15115)

- Revert 'x86/spec_ctrl: Add 'nolfence' knob to disable fallback for spectre_v2 mitigation' (Ankur Arora) [Orabug: 27601787] (CVE-2017-5715)

- Revert 'x86/spec: Add 'lfence_enabled' in sysfs' (Ankur Arora) [Orabug: 27601787] (CVE-2017-5715)

- Revert 'x86/mitigation/spectre_v2: Add reporting of 'lfence'' (Ankur Arora) [Orabug: 27601787] (CVE-2017-5715)

- x86/mitigation/spectre_v2: Add reporting of 'lfence' (Konrad Rzeszutek Wilk) (CVE-2017-5715)

- x86/spec: Add 'lfence_enabled' in sysfs (Konrad Rzeszutek Wilk) (CVE-2017-5715)

- x86/spec_ctrl: Add 'nolfence' knob to disable fallback for spectre_v2 mitigation (Konrad Rzeszutek Wilk) (CVE-2017-5715)

- x86/spectre: bring spec_ctrl management logic closer to UEK4 (Ankur Arora) [Orabug: 27516512] (CVE-2017-5715)

- x86/cpufeatures: Clean up Spectre v2 related CPUID flags (David Woodhouse) [Orabug: 27516357] (CVE-2017-5715)

- x86/spectre_v2: Remove 0xc2 from spectre_bad_microcodes (Darren Kenny) [Orabug: 27516419] (CVE-2017-5715)

- x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 microcodes (David Woodhouse) [Orabug:
27516419] (CVE-2017-5715)

- x86: intel-family.h: Add GEMINI_LAKE SOC (Len Brown) [Orabug: 27516419]

- x86/cpu/intel: Introduce macros for Intel family numbers (Dave Hansen) [Orabug: 27516419]

- x86/spectre: expose 'stibp' (Konrad Rzeszutek Wilk) [Orabug: 27516419] (CVE-2017-5715)

- x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support (David Woodhouse) [Orabug:
27516379] (CVE-2017-5715)

- x86/speculation: Use Indirect Branch Prediction Barrier in context switch (Tim Chen) [Orabug: 27516379] (CVE-2017-5715)

- x86/spectre: fix spectre_v1 mitigation indicators (Ankur Arora) [Orabug: 27509932] (CVE-2017-5715)

- x86/ia32/syscall: Clear extended registers %r8-%r15 (Ankur Arora) [Orabug: 27452028] (CVE-2017-5715)

- x86/ia32/syscall: Save full stack frame throughout the entry code (Ankur Arora) [Orabug: 27452028] (CVE-2017-5715)

- x86/ia32/syscall: cleanup trailing whitespace (Ankur Arora) [Orabug: 27452028] (CVE-2017-5715)

- x86/syscall: Clear callee saved registers (%r12-%r15, %rbp, %rbx) (Ankur Arora) [Orabug: 27452028] (CVE-2017-5715)

- x86/syscall: Save callee saved registers on syscall entrance (Ankur Arora) [Orabug: 27452028] (CVE-2017-5715)

- gre: fix a possible skb leak (Eric Dumazet) [Orabug:
26403972] (CVE-2017-9074)

- ipv6: Fix leak in ipv6_gso_segment. (David S. Miller) [Orabug: 26403972] (CVE-2017-9074)

- ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt (Ben Hutchings) [Orabug: 26403972] (CVE-2017-9074)

- ipv6: Check ip6_find_1stfragopt return value properly.
(David S. Miller) [Orabug: 26403972] (CVE-2017-9074)

- ipv6: Prevent overrun when parsing v6 header options (Craig Gallek) [Orabug: 26403972] (CVE-2017-9074)

- tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 (Wei Wang) [Orabug: 26813390] (CVE-2017-14106)

- rxrpc: Fix several cases where a padded len isn't checked in ticket decode (David Howells) [Orabug:
26880517] (CVE-2017-7482) (CVE-2017-7482)

- xen/mmu: Call xen_cleanhighmap with 4MB aligned for page tables mapping (Zhenzhong Duan) [Orabug: 26883322]

- KVM: x86: fix deadlock in clock-in-progress request handling (Marcelo Tosatti) [Orabug: 27065995]

- ocfs2: fstrim: Fix start offset of first cluster group during fstrim (Ashish Samant) [Orabug: 27099835]

- USB: serial: console: fix use-after-free after failed setup (Johan Hovold) [Orabug: 27206837] (CVE-2017-16525)

- uwb: properly check kthread_run return value (Andrey Konovalov) [Orabug: 27206897] (CVE-2017-16526)

- ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor (Takashi Iwai) [Orabug: 27206928] (CVE-2017-16529)

- USB: fix out-of-bounds in usb_set_configuration (Greg Kroah-Hartman) [Orabug: 27207240] (CVE-2017-16531)

- USB: core: fix out-of-bounds access bug in usb_get_bos_descriptor (Alan Stern) [Orabug: 27207983] (CVE-2017-16535)

- dccp: CVE-2017-8824: use-after-free in DCCP code (Mohamed Ghannam) [Orabug: 27290301] (CVE-2017-8824)

Solution

Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2018-May/000852.html

Plugin Details

Severity: High

ID: 109668

File Name: oraclevm_OVMSA-2018-0041.nasl

Version: 1.9

Type: local

Published: 2018/05/10

Updated: 2019/09/27

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: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/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:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.3

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: 2018/05/09

Vulnerability Publication Date: 2017/05/19

Exploitable With

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

Reference Information

CVE: CVE-2017-0861, CVE-2017-14106, CVE-2017-14140, CVE-2017-15115, CVE-2017-15868, CVE-2017-16525, CVE-2017-16526, CVE-2017-16527, CVE-2017-16529, CVE-2017-16531, CVE-2017-16533, CVE-2017-16535, CVE-2017-16536, CVE-2017-16649, CVE-2017-5715, CVE-2017-7482, CVE-2017-8824, CVE-2017-9074, CVE-2018-100199, CVE-2018-8897