Advisory Details

November 13th, 2024

Ivanti Secure Access Client Pulse Secure Service Link Following Local Privilege Escalation Vulnerability

ZDI-24-1487
ZDI-CAN-23545

CVE ID CVE-2024-7571
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 Secure Access Client
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Ivanti Secure Access Client. 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 Pulse Secure Service. By creating a symbolic link, an attacker can abuse the service to create a file. 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://forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-ICS-Ivanti-Policy-Secure-IPS-Ivanti-Secure-Access-Client-ISAC-Multiple-CVEs
DISCLOSURE TIMELINE
  • 2024-07-12 - Vulnerability reported to vendor
  • 2024-11-13 - Coordinated public release of advisory
  • 2024-11-13 - Advisory Updated
CREDIT Nicholas Zubrisky (@NZubrisky) and Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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