SB2020082536 - Improper certificate validation in Octopus Deploy

Description

This security bulletin contains information about 1 vulnerability.

1) Improper Certificate Validation (CVE-ID: CVE-2020-16197)

CWE-ID: CWE-295 - Improper Certificate Validation

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote authenticated user to gain access to sensitive information.

An issue was discovered in Octopus Deploy 3.4. A deployment target can be configured with an Account or Certificate that is outside the scope of the deployment target. An authorised user can potentially use a certificate that they are not in scope to use. An authorised user is also able to obtain certificate metadata by associating a certificate with certain resources that should fail scope validation.

Remediation

Install update from vendor's website.

References

• https://github.com/OctopusDeploy/Issues/issues/6529
• https://github.com/OctopusDeploy/Issues/issues/6530
• https://github.com/OctopusDeploy/Issues/issues/6531