Advisory Details

March 6th, 2019

Jaspersoft JasperReports Server ResourceForwardingServlet URI Improper Access Control Vulnerability

ZDI-19-256
ZDI-CAN-7655

CVE ID CVE-2018-18815
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Jaspersoft
AFFECTED PRODUCTS Jasper Reports
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Jaspersoft JasperReports Server. Authentication is not required to exploit this vulnerability.

The specific flaw exists in the doGet method of the ResourceForwardingServlet. The issue results from the lack of proper filtering of URLs. An attacker can leverage this in conjunction with other vulnerabilities to bypass authentication on the system.

ADDITIONAL DETAILS Jaspersoft has issued an update to correct this vulnerability. More details can be found at:
https://www.tibco.com/support/advisories/2019/03/tibco-security-advisory-march-6-2019-tibco-jasperreports-server-2018-18815
DISCLOSURE TIMELINE
  • 2018-12-11 - Vulnerability reported to vendor
  • 2019-03-06 - Coordinated public release of advisory
CREDIT Steven Seeley (mr_me) of Source Incite
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