Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19 usb_Form?script HTTP POST Request memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19. It has been classified as critical. Affected is an unknown function of the file /GponForm/usb_Form?script/. The manipulation as part of HTTP POST Request leads to memory corruption. This vulnerability is traded as CVE-2019-3921. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19. This issue affects an unknown code block of the file /GponForm/usb_Form?script/. The manipulation as part of a HTTP POST Request leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 02/27/2019. The weakness was shared 03/05/2019 (Website). It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2019-3921 since 01/03/2019. The attack may be initiated remotely. The requirement for exploitation is a simple authentication. Technical details as well as a public exploit are known.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-131340, VDB-131338, VDB-131337 and VDB-131336 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/03/2019 🔍
02/27/2019 +55 days 🔍
03/05/2019 +6 days 🔍
03/06/2019 +1 days 🔍
07/16/2024 +1959 days 🔍

Sourcesinfo

Advisory: exploit-db.com
Status: Not defined

CVE: CVE-2019-3921 (🔍)
GCVE (CVE): GCVE-0-2019-3921
GCVE (VulDB): GCVE-100-131339
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/06/2019 08:19
Updated: 07/16/2024 05:48
Changes: 03/06/2019 08:19 (56), 05/13/2020 18:34 (2), 07/26/2023 14:21 (3), 07/16/2024 05:48 (22)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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