Bug 1457686 (CVE-2017-4971)

Summary: CVE-2017-4971 spring-webflow: Data Binding Expression Vulnerability
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: bmcclain, dblechte, eedri, lsurette, mgoldboi, michal.skrivanek, rbalakri, Rhev-m-bugs, sherold, srevivo, ykaul, ylavi
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: spring-webflow 2.4.5 Doc Type: If docs needed, set a value
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Clone Of: Environment:
Last Closed: 2017-06-26 17:54:24 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 1457688    

Description Adam Mariš 2017-06-01 07:05:14 UTC 
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.

External References:

https://pivotal.io/security/cve-2017-4971
Comment 1 Kurt Seifried 2017-06-26 17:54:24 UTC 
Statement:

This issue affects the versions of spring-webflow as shipped with Red Hat Enterprise Virtualization 3. Red Hat Product Security has rated this issue as having (Low|Moderate) security impact. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.