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Test ID:1.3.6.1.4.1.25623.1.0.844463
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for intel-microcode (USN-4385-1)
Summary:The remote host is missing an update for the 'intel-microcode'; package(s) announced via the USN-4385-1 advisory.
Description:Summary:
The remote host is missing an update for the 'intel-microcode'
package(s) announced via the USN-4385-1 advisory.

Vulnerability Insight:
It was discovered that memory contents previously stored in
microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY
read operations on Intel client and Xeon E3 processors may be briefly
exposed to processes on the same or different processor cores. A local
attacker could use this to expose sensitive information. (CVE-2020-0543)

It was discovered that on some Intel processors, partial data values
previously read from a vector register on a physical core may be propagated
into unused portions of the store buffer. A local attacker could possible
use this to expose sensitive information. (CVE-2020-0548)

It was discovered that on some Intel processors, data from the most
recently evicted modified L1 data cache (L1D) line may be propagated into
an unused (invalid) L1D fill buffer. A local attacker could possibly use
this to expose sensitive information. (CVE-2020-0549)

Affected Software/OS:
'intel-microcode' package(s) on Ubuntu 20.04 LTS, Ubuntu 19.10, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
2.1

CVSS Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-0543
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DT2VKDMQ3I37NBNJ256A2EXR7OJHXXKZ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NQZMOSHLTBBIECENNXA6M7DN5FEED4KI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T5OUM24ZC43G4IDT3JUCIHJTSDXJSK6Y/
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00320.html
http://www.openwall.com/lists/oss-security/2020/07/14/5
SuSE Security Announcement: openSUSE-SU-2020:0818 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00025.html
SuSE Security Announcement: openSUSE-SU-2020:0965 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00024.html
SuSE Security Announcement: openSUSE-SU-2020:0985 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00031.html
https://usn.ubuntu.com/4385-1/
https://usn.ubuntu.com/4387-1/
https://usn.ubuntu.com/4388-1/
https://usn.ubuntu.com/4389-1/
https://usn.ubuntu.com/4390-1/
https://usn.ubuntu.com/4391-1/
https://usn.ubuntu.com/4392-1/
https://usn.ubuntu.com/4393-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-0548
Debian Security Information: DSA-4701 (Google Search)
https://www.debian.org/security/2020/dsa-4701
https://lists.debian.org/debian-lts-announce/2020/06/msg00019.html
SuSE Security Announcement: openSUSE-SU-2020:0791 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00016.html
Common Vulnerability Exposure (CVE) ID: CVE-2020-0549
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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