IETF DHCP Network Traffic TunnelVision missing authentication

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 marked as critical has been reported in IETF DHCP. This impacts an unknown function of the component Network Traffic Handler. This manipulation causes missing authentication. The identification of this vulnerability is CVE-2024-3661. The attack needs to be done within the local network. There is no exploit available.

Detailsinfo

A vulnerability was found in IETF DHCP (the affected version is unknown). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Network Traffic Handler. The manipulation with an unknown input leads to a missing authentication vulnerability. The CWE definition for the vulnerability is CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

By design, the DHCP protocol does not authenticate messages, including for example the classless static route option (121). An attacker with the ability to send DHCP messages can manipulate routes to redirect VPN traffic, allowing the attacker to read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN. Many, if not most VPN systems based on IP routing are susceptible to such attacks.

It is possible to read the advisory at datatracker.ietf.org. This vulnerability is known as CVE-2024-3661 since 04/11/2024. The exploitation appears to be easy. The attack needs to be initiated within the local network. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 214010 (AlmaLinux 8 : Bug fix of NetworkManager (Medium) (ALSA-2025:0288)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (214010). Additional details are provided at zscaler.com. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.6
NVD Vector: 🔍

CNA Base Score: 7.6
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 214010
Nessus Name: AlmaLinux 8 : Bug fix of NetworkManager (Medium) (ALSA-2025:0288)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/11/2024 🔍
05/06/2024 +25 days 🔍
05/06/2024 +0 days 🔍
01/16/2025 +255 days 🔍

Sourcesinfo

Advisory: datatracker.ietf.org
Status: Confirmed

CVE: CVE-2024-3661 (🔍)
GCVE (CVE): GCVE-0-2024-3661
GCVE (VulDB): GCVE-100-263239
Misc.: 🔍

Entryinfo

Created: 05/06/2024 22:51
Updated: 01/16/2025 05:04
Changes: 05/06/2024 22:51 (60), 05/07/2024 22:06 (2), 07/01/2024 19:34 (5), 01/14/2025 04:10 (3), 01/16/2025 05:04 (19)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

 Anonymous User (+0)
2 years ago
Good morning,
We cannot find the cpe indicated by You in the NVD Nist dictionary.
Which of the following CPEs could be taken into consideration?

dhcpcd_project:dhcpcd
dual_dhcp_dns_server_project:dual_dhcp_dns_server
isc:dhcp
isc:dhcp_client
isc:dhcpd
open_dhcp_server_project:open_dhcp_server

Thanks for the support.
Best Regards,
TEAM CERT
 VulDB Community Team2 years ago
The issue affects the protocol and might influence many or even all implementations. We are uncertain yet whether assigning product CPEs makes sense in this case.

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