Out-of-bounds Read in IGSS SCADA - CVE-2020-7557

 

Out-of-bounds Read in IGSS SCADA - CVE-2020-7557

Published: November 18, 2020


Vulnerability identifier: #VU48531
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-7557
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Schneider Electric
Affected software:
IGSS SCADA

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when a malicious CGF (Configuration Group File) is imported to IGSS Definition. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system.


How to mitigate CVE-2020-7557

Install updates from vendor's website.

Sources