Home/CVE/XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0 before WSO2-CARBON-PATCH
CVE

CVE-2016-4312

XML external entity (XXE) vulnerability in the XACML flow feature in WSO2 Identity Server 5.1.0 before WSO2-CARBON-PATCH

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.

HIGH · CVSS 7.5 EPSS 0.05424
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  • EPSS percentile: top 10% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-611Improper Restriction of XML External Entity Reference
▤

Affected Products & Versions

1
wso2 identity serverall versions
⚠

Public Exploits & PoCs

4
webappsWSO2 Identity Server 5.1.0 - Multiple Vulnerabilitiesverified
pochyp3rlinx.altervista.org · WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txthyp3rlinx.altervista.org
pocpacketstormsecurity.com · WSO2-Identity-Server-5.1.0-XML-Injection.htmlpacketstormsecurity.com
pocwww.exploit-db.com · 40239www.exploit-db.com
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · cret@cert.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Feb 2017 · 02:59 AM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/archive/1/539199/100/0/threaded
http://www.securityfocus.com/bid/92485Third Party AdvisoryVDB Entry
https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096PatchVendor Advisory
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