Advisory Details

December 19th, 2023

Ivanti Avalanche Smart Device Service Missing Authentication Local Privilege Escalation Vulnerability

ZDI-23-1801
ZDI-CAN-19502

CVE ID CVE-2022-43554
CVSS SCORE 7.8, AV:L/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 local attackers to escalate privileges on affected installations of Ivanti Avalanche. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the configuration of Apache Derby, used by the Smart Device Service. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Ivanti has issued an update to correct this vulnerability. More details can be found at:
https://download.wavelink.com/Files/avalanche_v6.4.1.236_release_notes.txt
DISCLOSURE TIMELINE
  • 2022-12-23 - Vulnerability reported to vendor
  • 2023-12-19 - Coordinated public release of advisory
CREDIT rgod
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