Finding TeamCity On-Premises installations with runZero
On February 6th, 2024, JetBrains disclosed a serious vulnerability in the TeamCity On-Premises product.
The issue, CVE-2024-23917, allows attackers who can access the TeamCity installation via HTTPS to bypass authentication mechanisms and gain administrative privileges on the affected systems.
What is the impact? #
Upon successful exploitation of these vulnerabilities, attackers can execute arbitrary commands on the vulnerable system. This includes the creation of new users, installation of additional modules or code, and, in general, system compromise.
Are updates or workarounds available? #
JetBrains has released an update to mitigate this issue. Users are urged to update as quickly as possible.
How do I find potentially vulnerable TeamCity installations with runZero? #
From the Services Inventory, use the following query to locate assets running the vulnerable products in your network:
Additional fingerprinting research is ongoing, and additional queries will be published as soon as possible.
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