CVE-2019-7713 Information

Description

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. There is a heap-based buffer overflow in the function responsible for printing the shell prompt when a custom modifier is used to display information such as a process ID IP address or current working directory. Modifier expansion triggers this overflow causing memory corruption or a crash (and also leaks memory address information).

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/bl4ckic3/GHS-Bugs https://www.ghs.com/products/rtos/integrity.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8