CVE-2019-3921 — HIGH (8.8) — White Hats Nepal

Vulnerability Description

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/usb_Form?script/. An attacker can leverage this vulnerability to potentially execute arbitrary code.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nokia	I-240W-Q Gpon Ont Firmware	3fe54567bozj19
Nokia	I-240W-Q Gpon Ont	-

Related Weaknesses (CWE)

CWE-121 CWE-787

References

https://www.exploit-db.com/exploits/46469/ExploitThird Party AdvisoryVDB Entry
https://www.tenable.com/security/research/tra-2019-09ExploitThird Party Advisory
https://www.exploit-db.com/exploits/46469/ExploitThird Party AdvisoryVDB Entry
https://www.tenable.com/security/research/tra-2019-09ExploitThird Party Advisory

FAQ

What is CVE-2019-3921?

CVE-2019-3921 is a vulnerability with a CVSS score of 8.8 (HIGH). The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 is vulnerable to a stack buffer overflow via crafted HTTP POST request sent by a remote, authenticated attacker to /GponForm/...

How severe is CVE-2019-3921?

CVE-2019-3921 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-3921?

Check the references section above for vendor advisories and patch information. Affected products include: Nokia I-240W-Q Gpon Ont Firmware, Nokia I-240W-Q Gpon Ont.