CVE-2020-7557 Memory corruption in IGSS Definition (Def.exe) version 14.0.0.20247 and prior
An out-of-bounds read in IGSS Definition allows remote code execution when a malicious configuration file is imported.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-7557?
CVE-2020-7557 is a high-severity memory corruption vulnerability in IGSS Definition (Def.exe) version 14.0.0.20247 and prior, published on 19 Nov 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2020-7557?
It affects 1 product.
Products include Schneider-Electric Interactive Graphical Scada System.
How do I fix CVE-2020-7557?
No fix has been published for CVE-2020-7557 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-7557 being exploited?
There is no known exploitation of CVE-2020-7557 in the wild and no public exploit code.
Other vulnerabilities in IGSS Definition (Def.exe) version 14.0.0.20247 and prior
- CVE-2013-0657 Memory corruption in n/a
- CVE-2022-2329 Integer overflow in IGSS Data Server (IGSSdataServer.exe)
- CVE-2022-24324 Memory corruption in IGSS Data Server (IGSSdataServer.exe)
- CVE-2022-32522 Memory corruption in IGSS Data Server (IGSSdataServer.exe)
- CVE-2022-32523 Memory corruption in IGSS Data Server (IGSSdataServer.exe)
Sources
Also known as GHSA-r3wp-7g4q-74qv.