SB2018103119 - Input validation error in Octopus Deploy



SB2018103119 - Input validation error in Octopus Deploy

Published: October 31, 2018 Updated: July 17, 2020

Security Bulletin ID SB2018103119
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2018-18850)

The vulnerability allows a remote authenticated user to execute arbitrary code.

In Octopus Deploy 2018.8.0 through 2018.9.x before 2018.9.1, an authenticated user with permission to modify deployment processes could upload a maliciously crafted YAML configuration, potentially allowing for remote execution of arbitrary code, running in the same context as the Octopus Server (for self-hosted installations by default, SYSTEM).


Remediation

Install update from vendor's website.