Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19 telnetd HTTP Request access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Alcatel-Lucent I-240W-Q GPON ONT 3FE54567BOZJ19. The affected element is an unknown function of the component telnetd. This manipulation as part of HTTP Request causes access control. This vulnerability is registered as CVE-2019-3917. Remote exploitation of the attack is possible. No exploit is available. It is advisable to implement restrictive firewalling.

Detailsinfo

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 component telnetd. The manipulation as part of a HTTP Request leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Alcatel Lucent I-240W-Q GPON ONT using firmware version 3FE54567BOZJ19 allows a remote, unauthenticated attacker to enable telnetd on the router via a crafted HTTP request.

The bug was discovered 02/27/2019. The weakness was published 03/05/2019. This vulnerability is known as CVE-2019-3917 since 01/03/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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.

Proper firewalling of is able to address this issue.

Similar entries are available at VDB-131339, VDB-131338, VDB-131337 and VDB-131336. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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-2019-3917 (🔍)
GCVE (CVE): GCVE-0-2019-3917
GCVE (VulDB): GCVE-100-131335
See also: 🔍

Entryinfo

Created: 03/06/2019 08:17
Updated: 07/26/2023 14:15
Changes: 03/06/2019 08:17 (56), 05/13/2020 18:05 (1), 07/26/2023 14:15 (4)
Complete: 🔍
Cache ID: 216::103

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