CVE-2017-8039

Description

An issue was discovered in Pivotal Spring Web Flow through 2.4.5. 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. NOTE: this issue exists because of an incomplete fix for CVE-2017-4971.

References

Link	Tags
https://pivotal.io/security/cve-2017-8039	vendor advisory mitigation issue tracking
http://www.securityfocus.com/bid/100849	third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-8039?: CVE-2017-8039 has been scored as a medium severity vulnerability.
How to fix CVE-2017-8039?: To fix CVE-2017-8039, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-8039 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2017-8039 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-8039?: CVE-2017-8039 affects n/a Spring Web Flow Spring Web Flow 2.4.0 to 2.4.5 and Older unsupported versions are also affected.

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Description

Category

CWE-1188 – Initialization of a Resource with an Insecure Default

References

Frequently Asked Questions