Advisory Details

January 11th, 2024

Ivanti Avalanche validateAMCWSConnection Server-Side Request Forgery Information Disclosure Vulnerability

ZDI-24-053
ZDI-CAN-21406

CVE ID CVE-2023-46262
CVSS SCORE 7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AFFECTED VENDORS Ivanti
AFFECTED PRODUCTS Avalanche
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Ivanti Avalanche. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the validateAMCWSConnection method. The issue results from the lack of proper validation of a URI prior to accessing resources. An attacker can leverage this vulnerability to disclose information 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
  • 2023-07-11 - Vulnerability reported to vendor
  • 2024-01-11 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Anonymous
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