SRC-2019-0033 : Oracle Application Testing Suite DownloadServlet File Read Remote Code Execution Vulnerability

CVE ID:

CVE-2019-2557

CVSS Score:

7.5, (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)

Affected Vendors:

Oracle

Affected Products:

Application Testing Suite

Vulnerability Details:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Oracle Application Testing Suite. Authentication is required to exploit this vulnerability.

The specific flaw exists within the DownloadServlet servlet. The issue results from the lack of proper validation of a user-supplied string before using it to read a file. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

Vendor Response:

Oracle has issued an update to correct this vulnerability. More details can be found at:
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Disclosure Timeline:

  • 2019-01-10 – Verified and acquired by iDefense
  • 2019-04-16 – Coordinated public release of advisory

Proof of Concept:

https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/gather/oats_downloadservlet_traversal.rb

Credit:

This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite

Acknowledgments:

Source Incite would like to acknowledge iDefense's Vulnerability Contributor Program for the help with co-ordination of this vulnerability.