Advisory Details

August 15th, 2023

Ivanti Avalanche FileStoreConfig Arbitrary File Upload Remote Code Execution Vulnerability

ZDI-23-1117
ZDI-CAN-20991

CVE ID CVE-2023-32562
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 endpoint. 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/New-Avalanche-Landing-Page?language=en_US
DISCLOSURE TIMELINE
  • 2023-05-01 - Vulnerability reported to vendor
  • 2023-08-15 - Coordinated public release of advisory
CREDIT Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative
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