CVE-2020-7557: Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability
A CWE-125 Out-of-bounds Read 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 read 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-2020-7557?
CVE-2020-7557 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Schneider Electric IGSS.
How can an attacker exploit CVE-2020-7557?
To exploit CVE-2020-7557, an attacker requires user interaction in the form of visiting a malicious page or opening a malicious file.
What is the affected software for CVE-2020-7557?
The affected software for CVE-2020-7557 is Schneider Electric IGSS up to version 14.0.0.20247.
What is the severity of CVE-2020-7557?
The severity of CVE-2020-7557 is rated as high with a CVSS score of 7.8.
How do I fix CVE-2020-7557?
To fix CVE-2020-7557, users are advised to upgrade to a patched version provided by Schneider Electric.