Advisory Details

February 11th, 2022

Schneider Electric IGSS IGSSDataServer Stack-based Buffer Overflow Remote Code Execution Vulnerability

ZDI-22-325
ZDI-CAN-15198

CVE ID CVE-2022-24313
CVSS SCORE 9.8, (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
AFFECTED VENDORS Schneider Electric
AFFECTED PRODUCTS IGSS
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric IGSS. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the IGSSDataServer process, which listens on TCP port 12401 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the IGSSDataServer process.

ADDITIONAL DETAILS Schneider Electric has issued an update to correct this vulnerability. More details can be found at:
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-039-01 https://www.cisa.gov/uscert/ics/advisories/icsa-22-046-01
DISCLOSURE TIMELINE
  • 2021-12-15 - Vulnerability reported to vendor
  • 2022-02-11 - Coordinated public release of advisory
  • 2022-02-16 - Advisory Updated
CREDIT Vyacheslav Moskvin
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