CVE-2019-7713 — CRITICAL (9.8)

Vulnerability 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 Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ghs	Integrity Rtos	5.0.4

Related Weaknesses (CWE)

CWE-787

References

https://github.com/bl4ckic3/GHS-BugsExploitThird Party Advisory
https://www.ghs.com/products/rtos/integrity.htmlVendor Advisory
https://github.com/bl4ckic3/GHS-BugsExploitThird Party Advisory
https://www.ghs.com/products/rtos/integrity.htmlVendor Advisory

FAQ

What is CVE-2019-7713?

CVE-2019-7713 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, ...

How severe is CVE-2019-7713?

CVE-2019-7713 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-7713?

Check the references section above for vendor advisories and patch information. Affected products include: Ghs Integrity Rtos.