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CVE-2020-17490: SaltStack Salt Allows creating certificates with weak file permissions

May 24, 2022 (updated October 22, 2024)

The TLS module within SaltStack Salt through 3002 creates certificates with weak file permissions.

References

  • docs.saltstack.com/en/latest/topics/releases/index.html
  • github.com/advisories/GHSA-3c56-vx6v-q5vh
  • github.com/pypa/advisory-database/tree/main/vulns/salt/PYSEC-2020-105.yaml
  • github.com/saltstack/salt
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/2019.2.6.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3000.4.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3001.2.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-2020-17490
  • 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

Detect and mitigate CVE-2020-17490 with GitLab Dependency Scanning

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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 2019.2.6, all versions starting from 3000 before 3000.4, all versions starting from 3001 before 3001.2, all versions starting from 3002 before 3002.1

Fixed versions

  • 2015.8.13
  • 2016.3.8
  • 2016.11.10
  • 2017.7.8
  • 2018.3.5
  • 2019.2.6
  • 3000.4
  • 3001.2
  • 3002.1

Solution

Upgrade to versions 2015.8.13, 2016.11.10, 2016.3.8, 2017.7.8, 2018.3.5, 2019.2.6, 3000.4, 3001.2, 3002.1 or above.

Impact 5.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-732: Incorrect Permission Assignment for Critical Resource

Source file

pypi/salt/CVE-2020-17490.yml

Spotted a mistake? Edit the file on GitLab.

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