Advisory Details

April 23rd, 2024

Ivanti Avalanche getMasterAdhocCollectionsPath Unrestricted File Upload Remote Code Execution Vulnerability

CVE ID	CVE-2024-23534
CVSS SCORE	8.8, AV:N/AC:L/PR:L/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 getMasterAdhocCollectionsPath method. 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-6-4-3-Security-Hardening-and-CVEs-addressed?language=en_US
DISCLOSURE TIMELINE	2023-12-13 - Vulnerability reported to vendor 2024-04-23 - Coordinated public release of advisory 2024-07-01 - Advisory Updated
CREDIT	Piotr Bazydlo (@chudypb) of Trend Micro Zero Day Initiative

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