CVE-2021-21996
First published: Wed Sep 08 2021(Updated: )
A user who has control of the source, and source_hash URLs can gain full file system access as root on a salt minion.
Credit: security@vmware.com security@vmware.com security@vmware.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/salt | 2018.3.4+dfsg1-6+deb10u3 3002.6+dfsg1-4+deb11u1 3004.1+dfsg-2.2 | |
| SaltStack Salt | <3000.3 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| pip/salt | >=0<3003.3 | 3003.3 |
| SaltStack Salt |
Remedy
Update to the latest versions of salt minion code.
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-21996
- https://security-tracker.debian.org/tracker/CVE-2021-22004
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21996
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-22004
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=994016
- https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02/
- https://github.com/saltstack/salt/commit/0b75ba190fda9c04cc026ad1aa4a6d572f40349b
- https://github.com/openSUSE/salt/commit/57ed9c41a177f57e3d56465662750617ac36cc95
- https://lists.debian.org/debian-lts-announce/2021/11/msg00017.html
- https://lists.debian.org/debian-lts-announce/2021/11/msg00019.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/
- https://www.debian.org/security/2021/dsa-5011
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/
- https://security.gentoo.org/glsa/202310-22
- https://nvd.nist.gov/vuln/detail/CVE-2021-21996
- https://github.com/pypa/advisory-database/tree/main/vulns/salt/PYSEC-2021-318.yaml
- https://github.com/advisories/GHSA-pf7h-h2wq-m7pg (Advisory)
- https://saltproject.io/security-announcements/2021-09-21-advisory/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ
- https://saltproject.io/security_announcements/salt-security-advisory-2021-sep-02
Frequently Asked Questions
What is CVE-2021-21996?
CVE-2021-21996 is a vulnerability in SaltStack Salt before version 3003.3 that allows a user to gain full file system access as root on a salt minion.
What is the severity of CVE-2021-21996?
The severity of CVE-2021-21996 is high with a CVSS score of 7.5.
How does CVE-2021-21996 affect SaltStack Salt?
CVE-2021-21996 affects SaltStack Salt versions before 3003.3.
How can I fix CVE-2021-21996?
To fix CVE-2021-21996, update SaltStack Salt to version 3003.3 or later.
Where can I find more information about CVE-2021-21996?
You can find more information about CVE-2021-21996 at the following references: [1](https://security-tracker.debian.org/tracker/CVE-2021-21996), [2](https://security-tracker.debian.org/tracker/CVE-2021-22004), [3](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21996)
- collector/debian-bugs
- alias/CVE-2021-21996
- collector/security-tracker-debian
- collector/nvd-index
- collector/nvd-api
- agent/first-publish-date
- collector/saltproject-advisory
- source/Salt Project
- agent/software-canonical-lookup
- agent/remedy
- agent/author
- agent/weakness
- agent/severity
- agent/softwarecombine
- agent/type
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- collector/github-advisory-latest
- source/GitHub
- alias/GHSA-pf7h-h2wq-m7pg
- agent/references
- agent/last-modified-date
- collector/nvd-cve
- source/NVD
- collector/github-advisory
- agent/tags
- agent/trending
- package-manager/debian
- vendor/saltstack
- canonical/saltstack salt
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- version/debian debian linux/11.0
- package-manager/pip