THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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| Excerpt |
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Generated value of token can be predictable |
Who should read this | All Struts 2 developers and users |
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Impact of vulnerability | The attacker make a specially craft form using the predicted token that force an action to a logged-in user (CSRF). |
Maximum security rating |
Moderate | |
Recommendation | Developers should immediately upgrade to Struts 2.3.20 if they use |
|---|---|
Affected Software | Struts 2.0.0 - Struts 2.3.16.3 |
Reporter | Philippe Arteau |
of Groupe Technologies Desjardins |
CVE Identifier |
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CVE-2014-7809 |
Problem
The attacker fetch any given form where a token is present and can predict the next value of the token used to secure form submission.
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No backward compatibility problems are expected.
Workaround
Not possible when using <s:token/> tag - you must upgrade to the latest version.