Vulnerabilities > CVE-2021-31819 - Deserialization of Untrusted Data vulnerability in Octopus Halibut

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

octopus

CWE-502

critical

NVD

Published: 2021-09-22

Updated: 2023-11-07

Summary

In Halibut versions prior to 4.4.7 there is a deserialisation vulnerability that could allow remote code execution on systems that already trust each other based on certificate verification.

Vulnerable Configurations

Part	Description	Count
Application	Octopus Octopus Halibut 2.2.0.55 Octopus Halibut 2.2.1 Octopus Halibut 2.2.2 Octopus Halibut 2.2.3 Octopus Halibut 2.3.0 Octopus Halibut 2.4.0 Octopus Halibut 2.4.1 Octopus Halibut 2.4.2 Octopus Halibut 2.4.3 Octopus Halibut 2.4.4 Octopus Halibut 2.4.8 Octopus Halibut 2.4.9 Octopus Halibut 2.4.10 Octopus Halibut 2.4.11 Octopus Halibut 2.4.12 Octopus Halibut 2.4.13 Octopus Halibut 2.4.14 Octopus Halibut 2.4.15 Octopus Halibut 2.4.17 Octopus Halibut 2.4.18 Octopus Halibut 2.4.19 Octopus Halibut 2.5.0 Octopus Halibut 2.5.1 Octopus Halibut 2.5.2 Octopus Halibut 2.6.0 Octopus Halibut 2.6.1 Octopus Halibut 2.6.2 Octopus Halibut 2.6.3 Octopus Halibut 2.6.4 Octopus Halibut 2.6.6 Octopus Halibut 2.6.8 Octopus Halibut 2.6.12 Octopus Halibut 2.6.13 Octopus Halibut 2.6.14 Octopus Halibut 2.6.15 Octopus Halibut 2.6.19 Octopus Halibut 3.0.0 Octopus Halibut 3.0.2 Octopus Halibut 3.0.4 Octopus Halibut 4.0.0 Octopus Halibut 4.0.1 Octopus Halibut 4.0.2 Octopus Halibut 4.0.3 Octopus Halibut 4.0.4 Octopus Halibut 4.0.5 Octopus Halibut 4.0.6 Octopus Halibut 4.0.7 Octopus Halibut 4.0.8 Octopus Halibut 4.0.9 Octopus Halibut 4.1.0 Octopus Halibut 4.2.0 Octopus Halibut 4.2.1 Octopus Halibut 4.2.2 Octopus Halibut 4.2.3 Octopus Halibut 4.2.4 Octopus Halibut 4.2.7 Octopus Halibut 4.2.8 Octopus Halibut 4.2.9 Octopus Halibut 4.2.11 Octopus Halibut 4.3.0 Octopus Halibut 4.3.1 Octopus Halibut 4.3.2 Octopus Halibut 4.3.3 Octopus Halibut 4.3.4 Octopus Halibut 4.3.5 Octopus Halibut 4.3.6 Octopus Halibut 4.3.7 Octopus Halibut 4.3.8 Octopus Halibut 4.3.12 Octopus Halibut 4.3.13 Octopus Halibut 4.3.14 Octopus Halibut 4.3.15 Octopus Halibut 4.3.16 Octopus Halibut 4.3.17 Octopus Halibut 4.3.18 Octopus Halibut 4.3.19 Octopus Halibut 4.3.21 Octopus Halibut 4.3.22 Octopus Halibut 4.3.23 Octopus Halibut 4.3.24 Octopus Halibut 4.3.25 Octopus Halibut 4.3.26 Octopus Halibut 4.3.27 Octopus Halibut 4.3.28 Octopus Halibut 4.3.29 Octopus Halibut 4.3.31 Octopus Halibut 4.3.32 Octopus Halibut 4.3.33 Octopus Halibut 4.3.34 Octopus Halibut 4.4.0 Octopus Halibut 4.4.1 Octopus Halibut 4.4.2 Octopus Halibut 4.4.3 Octopus Halibut 4.4.4 Octopus Halibut 4.4.5 Octopus Halibut 4.4.6	96

Common Weakness Enumeration (CWE)

CWE-502 - Deserialization of Untrusted Data

References

https://advisories.octopus.com/adv/2021-08---Remote-Code-Execution-via-Deserialisation-in-the-Halibut-Protocol-%28CVE-2021-31819%29.2250309681.html