Security Advisory 2022-02
| Summary | Open Redirect Vulnerability in Octopus Server (CVE-2022-23184) |
| Advisory Number | 2022-02 |
| Discovery Date | 03 JAN 2022 |
| Patch Release Date | 14 JAN 2022 |
| Advisory Release Date | 19 JAN 2022 |
| Product | Octopus Server |
| Operating System | Linux and Microsoft Windows |
| Severity | Medium |
| CVE ID | CVE-2022-23184 |
Customers who have downloaded and installed any of the Octopus Server versions listed below ("Details") are affected.
Please upgrade your Octopus Server immediately to fix this vulnerability.
Customers who have upgraded Octopus Server to version 2021.2.8011 or 2021.3.11057 and higher are not affected.
Severity
Octopus Deploy has given this vulnerability a medium rating. This rating was given according to the Octopus Deploy severity levels, which ranks vulnerabilities as critical, high, medium, or low severity.
This is our assessment and you should evaluate its applicability to your own environment.
Details
In affected Octopus Server versions when the server HTTP and HTTPS bindings are configured to localhost, Octopus Server will allow open redirects.
The versions of Octopus Server affected by this vulnerability are:
-
All 0.x.x, 1.x.x, 2.x.x, 3.x.x, 4.x.x versions
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All 2018.x.x, 2019.x.x, 2020.x.x, 2020.1.1 versions
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All 2021.2.x versions before 2021.2.8011
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All 2021.3.x versions before 2021.3.11057
Fix
To address this vulnerability, we have released Octopus Server versions:
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2021.2.8011
-
2021.3.11057
The latest versions of Octopus Deploy products can be downloaded from https://octopus.com/downloads and previous versions can be downloaded from https://octopus.com/downloads/previous
What You Need to Do
Octopus Deploy recommends that you upgrade to the latest version (2021.3.11057). You can download the latest version of Octopus Server from https://octopus.com/downloads
If you can't upgrade to the latest version (2021.3.11057):
| If you have feature version... | ...then upgrade to this version |
|---|---|
| 2018.x.x, 2019.x.x, 2020.x.x, 2020.1.1 | 2021.2.8011 or greater |
| 2021.2.x | 2021.2.8011 or greater |
| 2021.3.x | 2021.3.11057 or greater |
For Octopus Server versions: 0.xx, 1.x.x, 2.x.x, 3.x.x, 4.x.x please contact our support team https://octopus.com/support for advice on upgrading to a supported version.
Mitigation
If you are unable to upgrade your Octopus Server installation you can effectively mitigate this vulnerability by removing the HTTPS binding and implement SSL offloading or by updating the HTTPS binding from localhost to match your DNS name.
Instructions for changing bindings using the GUI can be found here: https://octopus.com/docs/security/exposing-octopus/expose-the-octopus-web-portal-over-https#ExposetheOctopuswebportaloverHTTPS-Changingyourwebportalbindings
Instructions for changing bindings using the CLI can be found here: https://octopus.com/docs/octopus-rest-api/octopus.server.exe-command-line/configure
Support
If you have any questions or concerns regarding this advisory, please contact our support team https://octopus.com/support.
Exploitation and Public Announcements
The Octopus Deploy security team is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
Source
This vulnerability was found by https://bugcrowd.com/Elsfa7-110