CVE-2020-11651

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Vulnerability overview

An issue was discovered in SaltStack Salt before 2019.2.4 and 3000 before 3000.2. The salt-master process ClearFuncs class does not properly validate method calls. This allows a remote user to access some methods without authentication. These methods can be used to retrieve user tokens from the salt master and/or run arbitrary commands on salt minions.

Severity and scoring

CVSS score

9.8 · CRITICAL

CVSS version

3.1

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses

NVD-CWE-Other

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product

SaltStack · Salt

Added to catalog

2021-11-03

Required action

Apply updates per vendor instructions.

CISA remediation due date

2022-05-03

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  Before (exclusive): 2019.2.4

• cpe:2.3:a:saltstack:salt:*:*:*:*:*:*:*:*

  From (inclusive): 3000

  Before (exclusive): 3000.2

• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

• cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

• cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

• cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

• cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

• cpe:2.3:a:vmware:application_remote_collector:7.5.0:*:*:*:*:*:*:*

• cpe:2.3:a:vmware:application_remote_collector:8.0.0:*:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html

  Mailing List · Third Party Advisory

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html

  Mailing List · Third Party Advisory

• http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• http://www.vmware.com/security/advisories/VMSA-2020-0009.html

  Third Party Advisory

• https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html

  Vendor Advisory

• https://github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst

  Third Party Advisory

• https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html

  Mailing List · Third Party Advisory

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG

  Third Party Advisory

• https://usn.ubuntu.com/4459-1/

  Third Party Advisory

• https://www.debian.org/security/2020/dsa-4676

  Third Party Advisory

• http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00047.html

  Mailing List · Third Party Advisory

• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00070.html

  Mailing List · Third Party Advisory

• http://packetstormsecurity.com/files/157560/Saltstack-3000.1-Remote-Code-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• http://packetstormsecurity.com/files/157678/SaltStack-Salt-Master-Minion-Unauthenticated-Remote-Code-Execution.html

  Exploit · Third Party Advisory · VDB Entry

• http://www.vmware.com/security/advisories/VMSA-2020-0009.html

  Third Party Advisory

• https://docs.saltstack.com/en/latest/topics/releases/2019.2.4.html

  Vendor Advisory

• https://github.com/saltstack/salt/blob/v3000.2_docs/doc/topics/releases/3000.2.rst

  Third Party Advisory

• https://lists.debian.org/debian-lts-announce/2020/05/msg00027.html

  Mailing List · Third Party Advisory

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG

  Third Party Advisory

• https://usn.ubuntu.com/4459-1/

  Third Party Advisory

• https://www.debian.org/security/2020/dsa-4676

  Third Party Advisory

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-11651

  US Government Resource

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