CVE-2021-3148

Advisory

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. Several Salt versions were patched. See: https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/

Affected package

Affected versions

Fixed versions

Vulnerability changelog

===========

Fixed
-----

- CVE-2020-28243 - Fix local privilege escalation in the restartcheck module. (CVE-2020-28243)
- CVE-2020-28972 - Ensure authentication to vcenter, vsphere, and esxi server
validates the SSL/TLS certificate by default. If you want to skip SSL verification
you can use `verify_ssl: False`. (CVE-2020-28972)
- CVE-2020-35662 - Ensure the asam runner, qingcloud, splunk returner, panos
proxy, cimc proxy, zenoss module, esxi module, vsphere module, glassfish
module, bigip module, and keystone module validate SSL by default. If you want
to skip SSL verification you can use `verify_ssl: False`. (CVE-2020-35662)
- CVE-2021-25281 - Fix salt-api so it honors eauth credentials for the
wheel_async client. (CVE-2021-25281)
- CVE-2021-25282 - Fix the salt.wheel.pillar_roots.write method so it is not
vulnerable to directory traversal. (CVE-2021-25282)
- CVE-2021-25283 - Fix the jinja render to protect against server side template
injection attacks. (CVE-2021-25283)
- CVE-2021-25284 - Fix cmdmod so it will not log credentials to log levels info
and error. (CVE-2021-25284)
- CVE-2021-3144 - Fix eauth tokens can be used once after expiration. (CVE-2021-3144)
- CVE-2021-3148 - Fix a command injection in the Salt-API when using the Salt-SSH client. (CVE-2021-3148)
- CVE-2021-3197 - Fix ssh client to remove ProxyCommand from arguments provided
by cli and netapi. (CVE-2021-3197)

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3148
• https://github.com/saltstack/salt/releases
• https://saltproject.io/security_announcements/active-saltstack-cve-release-2021-feb-25/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/YOGNT2XWPOYV7YT75DN7PS4GIYWFKOK5/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/7GRVZ5WAEI3XFN2BDTL6DDXFS5HYSDVB/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/FUGLOJ6NXLCIFRD2JTXBYQEMAEF2B6XH/
• https://security.gentoo.org/glsa/202103-01
• https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html
• https://www.debian.org/security/2021/dsa-5011
• https://security.gentoo.org/glsa/202310-22