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  5. CVE-2021-3148

CVE-2021-3148: SaltStack Salt command injection in the Salt-API when using the Salt-SSH client

May 24, 2022 (updated October 23, 2024)

An issue was discovered in SaltStack Salt before 3002.5. Sending crafted web requests to the Salt API can result in salt.utils.thin.gen_thin() command injection because of different handling of single versus double quotes. This is related to salt/utils/thin.py.

References

  • github.com/advisories/GHSA-ghc2-hx3w-jqmp
  • github.com/pypa/advisory-database/tree/main/vulns/salt/PYSEC-2021-55.yaml
  • github.com/saltstack/salt
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/CHANGELOG.md?plain=1
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3000.7.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3001.5.rst
  • github.com/saltstack/salt/blob/8f9405cf8e6f7d7776d5000841c886dec6d96250/doc/topics/releases/3002.3.rst
  • github.com/saltstack/salt/releases
  • lists.debian.org/debian-lts-announce/2021/11/msg00009.html
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH
  • lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH
  • lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5
  • nvd.nist.gov/vuln/detail/CVE-2021-3148
  • saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25
  • security.gentoo.org/glsa/202103-01
  • security.gentoo.org/glsa/202310-22
  • www.debian.org/security/2021/dsa-5011

Code Behaviors & Features

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Affected versions

All versions before 2015.8.13, all versions starting from 2016.3.0 before 2016.11.5, all versions starting from 2016.11.7 before 2016.11.10, all versions starting from 2017.5.0 before 2017.7.8, all versions starting from 2018.2.0 up to 2018.3.5, all versions starting from 2019.2.0 before 2019.2.8, all versions starting from 3000 before 3000.7, all versions starting from 3001 before 3001.5, all versions starting from 3002 before 3002.3

Fixed versions

  • 2015.8.13
  • 2016.11.5
  • 2016.11.10
  • 2017.7.8
  • 2019.2.8
  • 3000.7
  • 3001.5
  • 3002.3

Solution

Upgrade to versions 2015.8.13, 2016.11.10, 2016.11.5, 2017.7.8, 2019.2.8, 3000.7, 3001.5, 3002.3 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-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

Source file

pypi/salt/CVE-2021-3148.yml

Spotted a mistake? Edit the file on GitLab.

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