VDB-131340 · CVE-2019-3922 · GCVE-0-2019-3922

Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19 /GponForm/fsetup_Form HTTP POST Request memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file /GponForm/fsetup_Form. The manipulation as part of HTTP POST Request results in memory corruption. This vulnerability is known as CVE-2019-3922. It is possible to launch the attack remotely. No exploit is available. Applying restrictive firewalling is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19. Affected is some unknown processing of the file /GponForm/fsetup_Form. The manipulation as part of a HTTP POST Request leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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, unauthenticated attacker to /GponForm/fsetup_Form. An attacker can leverage this vulnerability to potentially execute arbitrary code.

The bug was discovered 02/27/2019. The weakness was published 03/05/2019. This vulnerability is traded as CVE-2019-3922 since 01/03/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

It is possible to mitigate the weakness by firewalling .

Similar entries are available at VDB-131339, VDB-131338, VDB-131337 and VDB-131336. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Alcatel-Lucent

Name

I-240W-Q GPON ONT

Version

3FE54567BOZJ19

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
02/27/2019 +55 days 🔍
03/05/2019 +6 days 🔍
03/06/2019 +1 days 🔍
07/26/2023 +1603 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined

CVE: CVE-2019-3922 (🔍)
GCVE (CVE): GCVE-0-2019-3922
GCVE (VulDB): GCVE-100-131340
See also: 🔍

Entryinfo

Created: 03/06/2019 08:20
Updated: 07/26/2023 14:25
Changes: 03/06/2019 08:20 (56), 05/13/2020 18:39 (1), 07/26/2023 14:25 (4)
Complete: 🔍
Cache ID: 216::103