#VU21520 Buffer overflow in Schneider Electric products - CVE-2018-7759

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Main Vulnerability Database Vulnerabilities #VU21520

#VU21520 Buffer overflow in Schneider Electric products - CVE-2018-7759

Published: October 3, 2019


Vulnerability identifier: #VU21520
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-7759
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
BMXNOR0200H Ethernet / Serial RTU module
Modicon Quantum
Modicon Premium
Modicon M340
Software vendor:
Schneider Electric

Description

The vulnerability allows a remote attacker to cause a denial of service (DoS) condition on the target system.

The vulnerability exists due to the length of the source string specified (instead of the buffer size) as the number of bytes to be copied. A remote attacker can trigger memory corruption and cause a denial of service condition.



Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links