Advisory CVE-2020-13773 – Ivanti Unified Endpoint Manager Reflected XSS

by | Nov 13, 2020 | Jumpsec, Research

Software: Ivanti Endpoint Manager
Affected Versions: <= 2020.1.1
Vendor page: www.ivanti.com
CVE Reference: CVE-2020-13773
Published: 13/11/2020
CVSS 3.1 Score: 5.5 – AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Attack Vector: Remote, authenticated
Credits: Andrei Constantin Scutariu, Lenk Ratchakrit, Calvin Yau

Summary

Various web pages on Ivanti Unified Endpoint Manager web management console lack proper input validation on parameters passed in HTTP request, leaving the application vulnerable to client-side attacks. An attacker able to cause the victim to open a malicious URL would obtain javascript code execution on the victim’s browser and potentially be able to obtain sensitive information and execute actions on their behalf.

Mitigation

There is currently no fix for this issue. The vendor has yet to release a patch to address the vulnerability; it is advised to review the host configuration and monitor for suspicious activity.

Technical details

The following endpoints and parameter are vulnerable:

  • /LDMS/frm_splitfrm.aspx “top” parameter
  • /LDMS/frm_splitfrm.aspx “ttb” parameter
  • /LDMS/frm_splitfrm.aspx “splittf” parameter
  • /LDMS/licensecheck.aspx “doc” parameter
  • /LDMS/frm_splitcollapse.aspx “bottom” parameter
  • /LDMS/alert_log.aspx “sortdir” parameter
  • /LDMS/alert_log.aspx “sortcol” parameter
  • /LDMS/ServerList.aspx “sortdir” parameter
  • /LDMS/frm_coremainfrm.aspx “bfn” parameter
  • /LDMS/frm_findfrm.aspx “m” parameter
  • /LDMS/frm_taskfrm.aspx any parameter
  • /LDMS/query_browsecomp.aspx “t” parameter
  • /LDMS/sm_actionfrm.asp “bfn” parameter
  • /LDMS/sm_actionfrm.asp “d” parameter

Timeline

15/04/2020: Issue reported to the vendor
16/04/2020: Vendor acknowledged the issues
02/06/2020: CVE number assigned from MITRE
13/07/2020: 90 days notice period for disclosure given to the vendor
13/11/2020: Advisory published by JUMPSEC

Disclaimer

The information provided on this website is to be used for educational purposes only. The author is in no way responsible for any misuse of the information provided. Any actions and or activities related to the material contained within this website is solely your responsibility.

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Disclaimer

The information provided on this website is to be used for educational purposes only. The author is in no way responsible for any misuse of the information provided. Any actions and or activities related to the material contained within this website is solely your responsibility.

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