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Hyland OnBase Data Import Denial Of Service

Hyland OnBase Data Import Denial Of Service
Posted Sep 11, 2020
Authored by Adaptive Security Consulting

All versions up to and prior to Hyland OnBase Foundation EP1 (tested: 19.8.9.1000) and OnBase 18 (tested: 18.0.0.32) suffer from a data import denial of service vulnerability.

tags | advisory, denial of service
SHA-256 | 046320e0b05a912056cc48fa9bb42c862a7481c4d6ff574bd3c434b1abc4e223

Hyland OnBase Data Import Denial Of Service

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CVSSv3.1 Score
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AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Vendor
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Hyland Software - (https://www.hyland.com/en/ and https://www.onbase.com/en/)

Product
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Hyland OnBase
All derivatives based on OnBase

Versions Affected
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All versions up to and prior to OnBase Foundation EP1 (tested: 19.8.9.1000) and OnBase 18 (tested: 18.0.0.32). OnBaseFoundation EP2 and OnBaseFoundation EP3 were not available to test, but Hyland's response indicates that they are not likely to have fixed the vulnerability.

Credit
-------------------------------------------------
Adaptive Security Consulting

Vulnerability Summary
-------------------------------------------------
Several of Hyland OnBase's data import utilities are vulnerable to denial of service attacks if the data being imported is unexpected or malformed.

Technical Details
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Hyland OnBase allows several different ways to import data, such as COLD and DIP. These import processes can be run manually or on a schedule and read files from a specific folder. Because they do not perform any validation on the files before attempting to process them they are prone to crashing when files do not meet expectations. When the import crashes, no other files are processed allowing attackers to create a denial of service on an unmonitored, scheduled import routine preventing the importing of any new data or limiting what data is imported. Attackers can also use the import process to import bad data that bypasses security checks and then either attacks the clients or has the client attack the server on its behalf.

Solution
-------------------------------------------------
Unfortunately, attempts to notify Hyland of the vulnerabilities have been rebuffed as not being something that they have to fix since fixing vulnerabilities, according to the Director of Application Security, is "creating custom code" and no known fix is in place. It is recommended that users try to mitigate the vulnerability by validating files being imported before they are imported to make certain that they will not crash the importer. Access to the import folders and import scripts should also be limited to trusted personnel and trusted data only. No other mitigations are currently available.

Timeline
-------------------------------------------------
07 May 2019 - Adaptive Security Consulting discovered a series of vulnerabilities in medical records management and search applications being considered by our client
15 May 2019 - The client was provided with the results of the assessment, including POCs for a number of high and critical vulnerabilities
12 July 2019 - Client asked for more information and demonstrations
01 October 2019 - Client asked to test latest version of Hyland software
15 October 2019 - Client was informed that EP1 contained many of the same vulnerabilities
March 2020 - Client contacted Hyland and spoke with the Director of Application Security who said that fixing vulnerabilities was "writing custom code" and that Hyland "doesn't write custom code"
21 April 2020 - Adaptive Security Consulting attempted to contact Hyland's Application Security Team via email on behalf of client, but attempts were ignored


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