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GHSA-h8cp-697h-8c8p
No affected components available
Summary
A security fix is now available for Step CA that resolves a vulnerability affecting deployments configured with ACME and/or SCEP provisioners.
All operators running these provisioners should upgrade to the latest release (v0.29.0) immediately.
The issue was discovered and disclosed by a research team during a security review. There is no evidence of active exploitation.
To limit exploitation risk during a coordinated disclosure window, we are withholding detailed technical information for now. A full write-up will be published in several weeks.
Embargo List
If your organization runs Step CA in production and would like advance, embargoed notification of future security updates, visit https://u.step.sm/disclosure to request inclusion on our embargo list.
Acknowledgements
This issue was identified and reported by Stephen Kubik of the Cisco Advanced Security Initiatives Group (ASIG)
Stay safe, and thank you for helping us keep the ecosystem secure.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data.
Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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