OpenCA allows Cross site request forgery (XSRF)

Overview

OpenCA contains a cross site request forgery (XSRF) vulnerability that may allow an attacker to leverage an administrator’s creditials to exectue activities on the Certification Authority.

Description

The OpenCA PKI Development Project\t is an open source out-of-the-box Certification Authority (CA). OpenCA includes various web forms for executing requests and other activities on the CA such as digital certificate issuance. A cross site request forgery (XSRF) vulnerability exists in the way OpenCA processes requests executed via various forms. By manipulating an administrator who is authenticated to the CA via a session cookie to follow a tag that contains CA commands, an attacker may be able to successfully execute the commands on the CA.

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Impact

An authenticated user can be manipulated into executing activities on the CA - such as digital certificate issuance - without knowledge or consent.

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Solution

This vulnerability has been addressed in Security Advisory AKLINK-SA-2008-001.

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Vendor Information

264385

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Updated: February 15, 2008

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

This vulnerability has been addressed in Security Advisory AKLINK-SA-2008-001.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23264385 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <https://www.cynops.de/advisories/CVE-2008-0556.txt&gt;
• <http://secunia.com/advisories/28951/&gt;
• <http://www.owasp.org/index.php/XSRF&gt;

Acknowledgements

This vulnerability was reported by Alexander Klink of Cynops GmbH.

This document was written by Joseph W. Pruszynski.

Other Information

CVE IDs:	CVE-2008-0556
Severity Metric:	2.39 Date Public: