Security Advisory 2023-02
|Summary||Zipbomb resource exhaustion in Octopus Server (CVE-2022-2883)|
|Discovery Date||05 Nov 2022|
|Patch Release Date||06 Feb 2023|
|Advisory Release Date||14 Feb 2023|
|Operating System||Linux and Microsoft Windows|
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 2022.4.8423 or higher are not affected.
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.
In affected versions of Octopus Deploy it is possible to upload a zipbomb file as a task which results in Denial of Service
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
- All 2018.x.x, 2019.x.x, 2020.x.x, 2021.x.x versions
- All 2022.1.x, 2022.2.x versions
- All 2022.3.x versions before 2022.3.11043
- All 2022.4.x versions before 2022.4.8401
To address this vulnerability, we have released Octopus Server version:
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 (2022.4.8423). You can download the latest version of Octopus Server from https://octopus.com/downloads
If you can't upgrade to the latest version (2022.4.8423):
|If you have feature version...||...then upgrade to this version|
|0.x.x, 1.x.x, 2.x.x, 3.x.x, 4.x.x||2022.3.11043 or greater|
|2018.x, 2019.x, 2020.x, 2021.x||2022.3.11043 or greater|
|2022.1.x, 2022.2.x||2022.3.11043 or greater|
|2022.3.x||2022.3.11043 or greater|
|2022.4.x||2022.4.8401 or greater|
There is no known mitigation for CVE-2022-2883, it is important to upgrade to a fixed version as soon as possible.
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.
This vulnerability was found by Bartłomiej Górkiewicz