CVE-2016-4312 Information

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.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5