Ivanti Avalanche FileStoreConfig Arbitrary File Upload Remote Code Execution Vulnerability

January 11th, 2024
ZDI-24-055 ZDI-CAN-22001

CVE ID

CVE-2023-46264

CVSS Score

7.2 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected Vendors

Ivanti

Affected Products

Avalanche

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Ivanti Avalanche. Authentication is required to exploit this vulnerability.

The specific flaw exists within the FileStoreConfig app. The issue results from the lack of proper validation of user-supplied data, which can allow the upload of arbitrary files. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.

Additional Details

Ivanti has issued an update to correct this vulnerability. More details can be found at:
https://forums.ivanti.com/s/article/Avalanche-6-4-2-Security-Hardening-and-CVEs-addressed?language=en_US

Disclosure Timeline

  • 2023-08-22 - Vulnerability reported to vendor
  • 2024-01-11 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated

Credit

Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative

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