CVE-2020-7556: 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 the vulnerability ID for Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability?
The vulnerability ID is CVE-2020-7556.
How severe is CVE-2020-7556?
CVE-2020-7556 has a severity rating of 7.8 (high).
How does the vulnerability in Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write allow remote code execution?
The vulnerability in Schneider Electric IGSS CGF File Parsing Out-Of-Bounds Write allows remote attackers to execute arbitrary code by exploiting the flaw in the parsing of CGF files.
What versions of Schneider Electric IGSS are affected by CVE-2020-7556?
Schneider Electric IGSS versions up to and including 14.0.0.20247 are affected by CVE-2020-7556.
How can I mitigate the CVE-2020-7556 vulnerability?
To mitigate the CVE-2020-7556 vulnerability, it is recommended to update to a version of Schneider Electric IGSS that is not affected by the vulnerability.