CVE-2016-4312

HIGH

WSO2 Identity Server 5.1.0 - Authenticated XML External Entity Injection via XACML Request

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2016-4312. PoCs published by hyp3rlinx.

AI-analyzed exploit summary This exploit demonstrates an XML External Entity (XXE) vulnerability in WSO2 Identity Server v5.1.0, allowing an attacker to exfiltrate system files (e.g., Windows hosts file) to a remote server via a malicious DTD file. The attack can be executed remotely via CSRF if an authenticated user interacts with a crafted form.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED

by hyp3rlinx · textwebappsjsp

https://www.exploit-db.com/exploits/40239

View Code ZIP pw:eip

This exploit demonstrates an XML External Entity (XXE) vulnerability in WSO2 Identity Server v5.1.0, allowing an attacker to exfiltrate system files (e.g., Windows hosts file) to a remote server via a malicious DTD file. The attack can be executed remotely via CSRF if an authenticated user interacts with a crafted form.

Classification

Working Poc 100%

Attack Type

Info Leak

Complexity

Moderate

Reliability

Reliable

Target: WSO2 Identity Server v5.1.0

Auth required

Prerequisites: Authenticated user session · Victim interaction (CSRF) · Attacker-controlled server to host DTD and receive exfiltrated data

MITRE ATT&CK