CVE-2016-4312

Public Exploit

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.42% Top 15%
Vendor Advisory wso2.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.exploit-db.com/exploits/40239/ exploit vdb entry third party advisory
http://www.securityfocus.com/archive/1/539199/100/0/threaded mailing list
http://www.securityfocus.com/bid/92485 vdb entry third party advisory
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096 patch vendor advisory
http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txt third party advisory exploit
http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-4312?
CVE-2016-4312 has been scored as a high severity vulnerability.
How to fix CVE-2016-4312?
To fix CVE-2016-4312, 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-2016-4312 being actively exploited in the wild?
It is possible that CVE-2016-4312 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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