CVE-2017-4971
First published: Tue Jun 13 2017(Updated: )
An issue was discovered in Pivotal Spring Web Flow through 2.4.4. Applications that do not change the value of the MvcViewFactoryCreator useSpringBinding property which is disabled by default (i.e., set to 'false') can be vulnerable to malicious EL expressions in view states that process form submissions but do not have a sub-element to declare explicit data binding property mappings.
Credit: security_alert@emc.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Pivotal Spring Web Flow | =2.4.0 | |
| Pivotal Spring Web Flow | =2.4.1 | |
| Pivotal Spring Web Flow | =2.4.2 | |
| Pivotal Spring Web Flow | =2.4.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-4971?
CVE-2017-4971 is classified as a medium severity vulnerability, primarily affecting the Pivotal Spring Web Flow framework.
How do I fix CVE-2017-4971?
To fix CVE-2017-4971, ensure that the value of the MvcViewFactoryCreator useSpringBinding property is explicitly set to true.
What versions of Pivotal Spring Web Flow are affected by CVE-2017-4971?
CVE-2017-4971 affects Pivotal Spring Web Flow versions 2.4.0, 2.4.1, 2.4.2, and 2.4.4.
Is CVE-2017-4971 exploitable in default configurations?
CVE-2017-4971 is not exploitable in default configurations as the useSpringBinding property is disabled by default.
What types of attacks can CVE-2017-4971 lead to?
CVE-2017-4971 can lead to the execution of malicious EL expressions in view states during form submissions.
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