3.7
LOW
CVE-2020-16166
Linux Kernel Random Number Generator Information Disclosure
Description

The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.

INFO

Published Date :

July 30, 2020, 9:15 p.m.

Last Modified :

Nov. 21, 2024, 5:06 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

2.2
Public PoC/Exploit Available at Github

CVE-2020-16166 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-16166 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp active_iq_unified_manager
2 Netapp h410c_firmware
3 Netapp hci_management_node
4 Netapp solidfire
5 Netapp e-series_santricity_os_controller
6 Netapp steelstore_cloud_integrated_storage
7 Netapp storagegrid
8 Netapp h410c
9 Netapp cloud_volumes_ontap_mediator
10 Netapp hci_bootstrap_os
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Fedoraproject fedora
1 Debian debian_linux
1 Opensuse leap
1 Oracle sd-wan_edge
: Total Affected Vendor : 7 | Products : 16
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-16166.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html Mailing List Third Party Advisory
https://arxiv.org/pdf/2012.07432.pdf Technical Description Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
https://security.netapp.com/advisory/ntap-20200814-0004/ Third Party Advisory
https://usn.ubuntu.com/4525-1/ Third Party Advisory
https://usn.ubuntu.com/4526-1/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html Mailing List Third Party Advisory
https://arxiv.org/pdf/2012.07432.pdf Technical Description Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
https://security.netapp.com/advisory/ntap-20200814-0004/ Third Party Advisory
https://usn.ubuntu.com/4525-1/ Third Party Advisory
https://usn.ubuntu.com/4526-1/ Third Party Advisory
https://www.oracle.com/security-alerts/cpuApr2021.html Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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vincent-deng/veracode-container-security-finding-parser

Map Vulnerabilities into Different Layers of the Container Image

Python

Updated: 1 year, 11 months ago
1 stars 0 fork 0 watcher
Born at : Oct. 5, 2022, 12:07 p.m. This repo has been linked 1276 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-16166 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-16166 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html
    Added Reference https://arxiv.org/pdf/2012.07432.pdf
    Added Reference https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638
    Added Reference https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
    Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
    Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
    Added Reference https://security.netapp.com/advisory/ntap-20200814-0004/
    Added Reference https://usn.ubuntu.com/4525-1/
    Added Reference https://usn.ubuntu.com/4526-1/
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/
  • Modified Analysis by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ Third Party Advisory https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ Mailing List, Third Party Advisory
    Changed Reference Type https://www.oracle.com/security-alerts/cpuApr2021.html No Types Assigned https://www.oracle.com/security-alerts/cpuApr2021.html Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:oracle:sd-wan_edge:8.2:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-330
  • CVE Modified by [email protected]

    Jun. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Dec. 23, 2020

    Action Type Old Value New Value
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html Mailing List, Third Party Advisory
    Changed Reference Type https://arxiv.org/pdf/2012.07432.pdf No Types Assigned https://arxiv.org/pdf/2012.07432.pdf Technical Description, Third Party Advisory
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch, Third Party Advisory https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch, Vendor Advisory
    Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 Patch, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/ Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20200814-0004/ No Types Assigned https://security.netapp.com/advisory/ntap-20200814-0004/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4525-1/ No Types Assigned https://usn.ubuntu.com/4525-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/4526-1/ No Types Assigned https://usn.ubuntu.com/4526-1/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* OR *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vmware_vsphere:*:* versions from (including) 9.5 *cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:* versions from (including) 11.0.0 up to (including) 11.60.3 *cpe:2.3:a:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:* *cpe:2.3:a:netapp:storagegrid:*:*:*:*:*:*:*:* versions up to (including) 9.0.4
    Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 22, 2020

    Action Type Old Value New Value
    Added Reference https://arxiv.org/pdf/2012.07432.pdf [No Types Assigned]
    Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c51f8f88d705e06bd696d7510aff22b33eb8e638 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 02, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html [No Types Assigned]
    Added Reference https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 28, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 25, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4525-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 25, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4526-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 21, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 18, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/AAPTLPAEKVAJYJ4LHN7VH4CN2W75R2YW/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 14, 2020

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20200814-0004/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Aug. 11, 2020

    Action Type Old Value New Value
    Removed CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:P/I:N/A:N)
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Aug. 11, 2020

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MFBCLQWJI5I4G25TVJNLXLAXJ4MERQNW/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 06, 2020

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Aug. 05, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 No Types Assigned https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch, Third Party Advisory
    Changed Reference Type https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 No Types Assigned https://github.com/torvalds/linux/commit/f227e3ec3b5cad859ad15666874405e8c1bbc1d4 Patch, Third Party Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 5.7.11
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-16166 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-16166 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} -0.14%

score

0.68196

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: