Description
XML external entity (XXE) vulnerability in the Configuration Wizard in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to cause a denial of service, conduct SMB Relay attacks, or access arbitrary files via a crafted XML request to _tc~monitoring~webservice~web/ServerNodesWSService, aka SAP Security Note 2235994.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- SAP NetWeaver AS JAVA 7.1 < 7.5 - 'ctcprotocol Servlet' XML External Entity EDB-39995 · webapps · Jun 21, 2016
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://erpscan.io/advisories/erpscan-16-013-sap-netweaver-7-4-ctcprotocol-servlet-xxe/
- 20160618 [ERPSCAN-16-013] SAP NetWeaver AS Java ctcprotocol servlet - XXE vulnerability mailing-list
- https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
- 39995 exploit
- http://packetstormsecurity.com/files/137527/SAP-NetWeaver-AS-JAVA-7.5-XXE-Injection.html