PT-2019-16776 · Alcatel Lucent · Alcatel Lucent I-240W-Q Gpon Ont

Published 2019-03-05 · Updated 2020-10-19 · CVE-2019-3921

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Alcatel Lucent I-240W-Q GPON ONT version 3FE54567BOZJ19

Description The issue allows a remote, authenticated attacker to cause a stack buffer overflow via a crafted HTTP POST request sent to the "/GponForm/usb Form?script/" API endpoint. This could potentially enable the execution of arbitrary code.

Recommendations For version 3FE54567BOZJ19, as a temporary workaround, consider restricting access to the "/GponForm/usb Form?script/" API endpoint until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

CVE-2019-3921

Affected Products

Alcatel Lucent I-240W-Q Gpon Ont

References · 5

• 🔥 https://github.com/tenable/poc/blob/master/gpon/nokia_a-l_i-240w-q/gpon_poc_cve-2019-3921.py · Exploit
• 🔥 https://exploit-db.com/exploits/46469 · Exploit
• 🔥 https://tenable.com/security/research/tra-2019-09 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-3921 · Security Note
• https://osv.dev/vulnerability/CVE-2019-3921 · Vendor Advisory