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CVE-2020-25592: SaltStack Salt Improper Validation of eauth credentials and tokens in salt-netapi

May 24, 2022 (updated October 22, 2024)

In SaltStack the salt-netapi improperly validates eauth credentials and tokens. A user can bypass authentication and invoke Salt SSH.

References

  • docs.saltstack.com/en/latest/topics/releases/index.html
  • github.com/advisories/GHSA-29j3-2446-5j4w
  • github.com/pypa/advisory-database/tree/main/vulns/salt/PYSEC-2020-106.yaml
  • github.com/saltstack/salt
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/2019.2.7.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3000.5.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3001.3.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3002.1.rst
  • lists.debian.org/debian-lts-announce/2020/12/msg00007.html
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TPOGB2F6XUAIGFDTOCQDNB2VIXFXHWMA
  • nvd.nist.gov/vuln/detail/CVE-2020-25592
  • security.gentoo.org/glsa/202011-13
  • www.debian.org/security/2021/dsa-4837
  • www.saltstack.com/blog/on-november-3-2020-saltstack-publicly-disclosed-three-new-cves

Code Behaviors & Features

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Affected versions

All versions before 2015.8.13, all versions starting from 2016.3.0 before 2016.3.8, all versions starting from 2016.11.0 before 2016.11.10, all versions starting from 2017.5.0 before 2017.7.8, all versions starting from 2018.2.0 before 2018.3.5, all versions starting from 2019.2.0 before 2019.2.7, all versions starting from 3000.0 before 3000.5, all versions starting from 3001.0 before 3001.3, all versions starting from 3002.0 before 3002.1

Fixed versions

  • 2015.8.13
  • 2016.3.8
  • 2016.11.10
  • 2017.7.8
  • 2018.3.5
  • 2019.2.7
  • 3000.5
  • 3001.3
  • 3002.1

Solution

Upgrade to versions 2015.8.13, 2016.11.10, 2016.3.8, 2017.7.8, 2018.3.5, 2019.2.7, 3000.5, 3001.3, 3002.1 or above.

Impact 9.8 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

pypi/salt/CVE-2020-25592.yml

Spotted a mistake? Edit the file on GitLab.

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