CVE-2019-7715 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting as the first argument to printf(). Setting this variable using the sysvar command results in a user-controlled format string during login, resulting in an information leak of memory addresses.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Ghs	Integrity Rtos	5.0.4

Related Weaknesses (CWE)

CWE-134

References

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

FAQ

What is CVE-2019-7715?

CVE-2019-7715 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in the Interpeak IPCOMShell TELNET server on Green Hills INTEGRITY RTOS 5.0.4. The main shell handler function uses the value of the environment variable ipcom.shell.greeting a...

How severe is CVE-2019-7715?

CVE-2019-7715 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-7715?

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