Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2024-3661 First vendor Publication 2024-05-06
Vendor Cve Last vendor Modification 2025-01-15

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
Overall CVSS Score 7.6
Base Score 7.6 Environmental Score 7.6
impact SubScore 4.7 Temporal Score 7.6
Exploitabality Sub Score 2.8
 
Attack Vector Adjacent Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact Low Availability Impact Low
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

DHCP can add routes to a client’s routing table via the classless static route option (121). VPN-based security solutions that rely on routes to redirect traffic can be forced to leak traffic over the physical interface. An attacker on the same local network can read, disrupt, or possibly modify network traffic that was expected to be protected by the VPN.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-3661

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-306 Missing Authentication for Critical Function (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 148
Application 69
Application 4
Application 2
Application 2
Application 7
Hardware 7
Hardware 2

Sources (Detail)

https://arstechnica.com/security/2024/05/novel-attack-against-virtually-all-v...
https://bst.cisco.com/quickview/bug/CSCwk05814
https://datatracker.ietf.org/doc/html/rfc2131#section-7
https://datatracker.ietf.org/doc/html/rfc3442#section-7
https://fortiguard.fortinet.com/psirt/FG-IR-24-170
https://issuetracker.google.com/issues/263721377
https://krebsonsecurity.com/2024/05/why-your-vpn-may-not-be-as-secure-as-it-c...
https://lowendtalk.com/discussion/188857/a-rogue-dhcp-server-within-your-netw...
https://mullvad.net/en/blog/evaluating-the-impact-of-tunnelvision
https://my.f5.com/manage/s/article/K000139553
https://news.ycombinator.com/item?id=40279632
https://news.ycombinator.com/item?id=40284111
https://security.paloaltonetworks.com/CVE-2024-3661
https://support.citrix.com/article/CTX677069/cloud-software-group-security-ad...
https://tunnelvisionbug.com/
https://www.agwa.name/blog/post/hardening_openvpn_for_def_con
https://www.leviathansecurity.com/research/tunnelvision
https://www.theregister.com/2024/05/07/vpn_tunnelvision_dhcp/
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00009
https://www.zscaler.com/blogs/security-research/cve-2024-3661-k-tunnelvision-...
Source Url

Alert History

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Date Informations
2025-01-22 00:20:42
  • Multiple Updates
2025-01-18 00:21:08
  • Multiple Updates
2025-01-15 21:21:07
  • Multiple Updates
2024-11-25 09:25:42
  • Multiple Updates
2024-07-01 21:27:28
  • Multiple Updates
2024-05-09 05:27:23
  • Multiple Updates
2024-05-08 21:27:24
  • Multiple Updates
2024-05-08 02:43:54
  • Multiple Updates
2024-05-08 02:43:53
  • Multiple Updates
2024-05-08 00:27:28
  • Multiple Updates
2024-05-07 13:27:26
  • Multiple Updates
2024-05-07 09:27:24
  • Multiple Updates
2024-05-07 00:27:26
  • First insertion