Stack-based buffer overflow in ABB products - CVE-2019-7231

 

Stack-based buffer overflow in ABB products - CVE-2019-7231

Published: July 4, 2019 / Updated: July 4, 2019


Vulnerability identifier: #VU19016
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2019-7231
CWE-ID: CWE-121
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: ABB
Affected software:
BSP UN31
BSP UN30
PB610 Panel Builder 600

Detailed vulnerability description

The vulnerability allows an attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when a long string is sent to the IDAL FTP server. An authenticated attacker can send a FTP command string of 472 bytes or more to overflow a buffer, causing an exception that terminates the server.


How to mitigate CVE-2019-7231

Install updates from vendor's website.

Sources