Title: Oracle E-Business Suite - XXE injection Advisory ID: [ERPSCAN-15-029] Advisory URL: http://erpscan.com/advisories/erpscan-15-029-oracle-e-business-suite-xxe-injection-vulnerability/ Date published: 21.10.2015 Vendors contacted: Oracle
Class: XML External Entity [CWE-611] Impact: information disclosure, DoS, SSRF, NTLM relay Remotely Exploitable: Yes Locally Exploitable: No CVE Name: CVE-2015-4849 CVSS Information CVSS Base Score: 6.8 / 10 AV : Access Vector (Related exploit range) Network (N) AC : Access Complexity (Required attack complexity) Medium (M) Au : Authentication (Level of authentication needed to exploit) None (N) C : Impact to Confidentiality Partial (P) I : Impact to Integrity Partial (P) A : Impact to Availability Partial (P)
1) An attacker can read an arbitrary file on a server by sending a correct XML request with a crafted DTD and reading the response from the service. 2) An attacker can perform a DoS attack (for example, XML Entity Expansion). 3) An SMB Relay attack is a type of Man-in-the-Middle attack where the attacker asks the victim to authenticate into a machine controlled by the attacker, then relays the credentials to the target. The attacker forwards the authentication information both ways and gets access.
Oracle E-Business Suite 12.1.3
Other versions are probably affected too, but they were not checked.
Install Oracle CPU October 2015
AUTHOR Nikita Kelesis, Ivan Chalykin, Alexey Tyurin (ERPScan)
Vulnerable servlet: /OA_HTML/IspPunchInServlet
Reported: 17.07.2015 Vendor response: 24.07.2015 Date of Public Advisory: 20.10.2015
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