CVE-2016-4312: XEE
First published: Thu Feb 16 2017(Updated: )
XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0 before WSO2-CARBON-PATCH-4.4.0-0231 allows remote authenticated users with access to XACML features to read arbitrary files, cause a denial of service, conduct server-side request forgery (SSRF) attacks, or have unspecified other impact via a crafted XACML request to entitlement/eval-policy-submit.jsp. NOTE: this issue can be combined with CVE-2016-4311 to exploit the vulnerability without credentials.
Credit: cret@cert.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| WSO2 Identity Server | =5.1.0 |
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Reference Links
- http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txt
- http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.html
- http://www.securityfocus.com/archive/1/539199/100/0/threaded
- http://www.securityfocus.com/bid/92485
- https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096
- https://www.exploit-db.com/exploits/40239/
Frequently Asked Questions
What is the severity of CVE-2016-4312?
CVE-2016-4312 is considered a critical vulnerability due to its potential for remote access and file reading capabilities.
How do I fix CVE-2016-4312?
To fix CVE-2016-4312, upgrade WSO2 Identity Server to version 5.1.0 with the WSO2-CARBON-PATCH-4.4.0-0231 or later.
What types of attacks can CVE-2016-4312 facilitate?
CVE-2016-4312 can facilitate attacks such as reading arbitrary files, denial of service, and server-side request forgery (SSRF).
Who is affected by CVE-2016-4312?
CVE-2016-4312 affects remote authenticated users with access to the XACML features in WSO2 Identity Server version 5.1.0.
What feature of WSO2 Identity Server is impacted by CVE-2016-4312?
CVE-2016-4312 specifically impacts the XML external entity (XXE) processing within the XACML flow feature.
- collector/nvd-index
- agent/references
- agent/type
- agent/weakness
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/author
- agent/remedy
- agent/description
- agent/tags
- agent/event
- agent/first-publish-date
- agent/source
- vendor/wso2
- canonical/wso2 identity server
- version/wso2 identity server/5.1.0