Advisory Details

February 8th, 2024

Schneider Electric Easergy Studio InitializeChannel Deserialization of Untrusted Data Local Privilege Escalation Vulnerability

ZDI-24-098
ZDI-CAN-21065

CVE ID CVE-2023-7032
CVSS SCORE 7.8, AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS Schneider Electric
AFFECTED PRODUCTS Easergy Studio
VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Schneider Electric Easergy Studio. 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 InitializeChannel method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS

https://www.cisa.gov/news-events/ics-advisories/icsa-24-011-05
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-009-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-009-02.pdf


DISCLOSURE TIMELINE
  • 2023-06-09 - Vulnerability reported to vendor
  • 2024-02-08 - Coordinated public release of advisory
  • 2024-07-01 - Advisory Updated
CREDIT Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam)
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