Advisory Details

August 23rd, 2022

Measuresoft ScadaPro Server Link Following Local Privilege Escalation Vulnerability

ZDI-22-1146
ZDI-CAN-16417

CVE ID CVE-2022-2897
CVSS SCORE 7.8, (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Measuresoft
AFFECTED PRODUCTS ScadaPro Server
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Measuresoft ScadaPro Server. 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 ScadaPro Server installer. By creating a symbolic link, an attacker can abuse the installer to overwrite a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS Measuresoft has issued an update to correct this vulnerability. More details can be found at:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-235-06
DISCLOSURE TIMELINE
  • 2022-02-01 - Vulnerability reported to vendor
  • 2022-08-23 - Coordinated public release of advisory
CREDIT Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative
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