CVE-2020-7558: Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
A CWE-787 Out-of-bounds Write vulnerability exists in IGSS Definition (Def.exe) version 14.0.0.20247 that could cause Remote Code Execution when malicious CGF (Configuration Group File) file is imported to IGSS Definition.
Other sources
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Schneider Electric IGSS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of CGF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2020-7558?
CVE-2020-7558 refers to the Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability.
What is the severity of CVE-2020-7558?
The severity of CVE-2020-7558 is high with a severity value of 7.8.
How can remote attackers exploit CVE-2020-7558?
Remote attackers can exploit CVE-2020-7558 by executing arbitrary code on affected installations of Schneider Electric IGSS through user interaction, such as visiting a malicious page or opening a malicious file.
Which software versions are affected by CVE-2020-7558?
The Schneider-electric Interactive Graphical Scada System versions up to and including 14.0.0.20247 and Schneider Electric IGSS are affected by CVE-2020-7558.
How can I fix CVE-2020-7558?
To fix CVE-2020-7558, it is recommended to apply the necessary security patch provided by Schneider Electric and update to the latest version of the affected software.