CVE-2016-4312
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,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.00% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- wso2/identity server
- Source
- cret@cert.org
References
- http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txtExploit, Third Party Advisory
- http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/539199/100/0/threaded
- http://www.securityfocus.com/bid/92485Third Party Advisory, VDB Entry
- https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/40239/Exploit, Third Party Advisory, VDB Entry
- http://hyp3rlinx.altervista.org/advisories/WSO2-IDENTITY-SERVER-v5.1.0-XML-External-Entity.txtExploit, Third Party Advisory
- http://packetstormsecurity.com/files/138329/WSO2-Identity-Server-5.1.0-XML-Injection.htmlExploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/archive/1/539199/100/0/threaded
- http://www.securityfocus.com/bid/92485Third Party Advisory, VDB Entry
- https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2016-0096Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/40239/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.