Improper access control in Intel Xeon Processor E3 v6 Family - CVE-2019-0117

Vulnerability identifier: #VU22781

CSH Severity: Low

CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-0117

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions in protected memory subsystem for Intel(R) SGX for 6th, 7th, 8th, 9th Generation Intel(R) Core(TM) Processor Families; Intel(R) Xeon(R) Processor E3-1500 v5, v6 Families; Intel(R) Xeon(R) E-2100 & E-2200 Processor Families with Intel(R) Processor Graphics. A local user can gain access to sensitive information.

The following processor families are affected:

• 6th Generation Intel Core processors
• 7th Generation Intel Core processors
• 8th Generation Intel Core processors
• 9th Generation Intel Core processors
• Intel Xeon Processor E3 v5 Family
• Intel Xeon Processor E3 v6 Family
• Intel Xeon Processor E- 2100 Family
• Intel Xeon Processor E-2200 Family

Intel Xeon Processor E3 v6 Family
Arch Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux EUS Compute Node
Red Hat Enterprise Linux for x86_64
Fedora
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
microcode_ctl (Red Hat package)
microcode_ctl
kernel
kernel-headers
kernel-tools

Install updates from vendor's website.

microcode_ctl (Red Hat package) - addressed in versions 1.17-17.25.el6_5, 1.17-19.23.el6_6, 1.17-33.19.el6_10, 2.1-12.24.el7_2, 2.1-16.27.el7_3, 2.1-22.26.el7_4, 2.1-29.24.el7_5, 2.1-47.8.el7_6, 2.1-53.3.el7_7, 20180807a-2.20191112.1.el8_0, 20190618-1.20191112.1.el8_1
microcode_ctl - addressed in versions 2.1-33.fc29, 2.1-33.fc30, 2.1-33.fc31
kernel - addressed in versions 5.3.11-100.fc29, 5.3.11-200.fc30, 5.3.11-300.fc31
kernel-headers - addressed in versions 5.3.11-100.fc29, 5.3.11-200.fc30, 5.3.11-300.fc31
kernel-tools - addressed in versions 5.3.11-100.fc29, 5.3.11-200.fc30, 5.3.11-300.fc31

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00219.html

• Information disclosure in Intel SGX with Intel Processor Graphics
• Arch Linux update for intel-ucode
• Red Hat Enterprise Linux 8.1 update for microcode_ctl
• Red Hat Enterprise Linux 7.7 update for microcode_ctl
• Red Hat Enterprise Linux 7.6 update for microcode_ctl
• Red Hat Enterprise Linux 7.5 update for microcode_ctl
• Red Hat Enterprise Linux 7.4 update for microcode_ctl
• Red Hat Enterprise Linux 8.0 update for microcode_ctl
• Red Hat Enterprise Linux 6.0 update for microcode_ctl
• Red Hat Enterprise Linux 7.3 update for microcode_ctl
• Red Hat Enterprise Linux 7.2 update for microcode_ctl
• Red Hat Enterprise Linux 6.6 update for microcode_ctl
• Red Hat Enterprise Linux 6.5 update for microcode_ctl
• Fedora 30 update for kernel, kernel-headers, kernel-tools, microcode_ctl
• Fedora 31 update for kernel, kernel-headers, kernel-tools, microcode_ctl
• Fedora 29 update for kernel, kernel-headers, kernel-tools, microcode_ctl