SB2020052809 - SaltStack vulnerabilities in Cisco Modeling Labs and Virtual Internet Routing Lab

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Main Vulnerability Database SB2020052809

SB2020052809 - SaltStack vulnerabilities in Cisco Modeling Labs and Virtual Internet Routing Lab

Published: May 28, 2020 Updated: March 22, 2024

Security Bulletin ID SB2020052809
Severity
Critical
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Authentication (CVE-ID: CVE-2020-11651)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the salt-master process "ClearFuncs" class does not properly validate method calls. A remote non-authenticated attacker can bypass authentication process and gain access some methods without authentication. These methods can be used to retrieve user tokens from the salt master and/or run arbitrary commands on salt minion as root.

Note: this vulnerability is being actively exploited in the wild.


2) Path traversal (CVE-ID: CVE-2020-11652)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the salt-master process ClearFuncs class. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

References