CVE-2024-3661 (GCVE-0-2024-3661)

Vulnerability from cvelistv5 – Published: 2024-05-06 18:31 – Updated: 2024-08-28 19:09
VLAI?
Summary
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.
Severity ?
7.6 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
CWE
  • CWE-306 - Missing Authentication for Critical Function
  • CWE-501 - Trust Boundary Violation
Assigner
References
Impacted products
Vendor Product Version
IETF DHCP Affected: 0
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\"https://www.agwa.name/blog/post/hardening_openvpn_for_def_con\"}, {\"url\": \"https://www.theregister.com/2024/05/07/vpn_tunnelvision_dhcp/\"}, {\"url\": \"https://support.citrix.com/article/CTX677069/cloud-software-group-security-advisory-for-cve20243661\"}, {\"url\": \"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2024-00009\"}, {\"url\": \"https://bst.cisco.com/quickview/bug/CSCwk05814\"}, {\"url\": \"https://security.paloaltonetworks.com/CVE-2024-3661\"}, {\"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-24-170\"}, {\"url\": \"https://my.f5.com/manage/s/article/K000139553\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.1.0-dev\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"DHCP can add routes to a client\\u2019s 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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"DHCP can add routes to a client\\u2019s 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.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-306\", \"description\": \"CWE-306 Missing Authentication for Critical Function\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-501\", \"description\": \"CWE-501 Trust Boundary Violation\"}]}], \"providerMetadata\": {\"orgId\": \"9119a7d8-5eab-497f-8521-727c672e3725\", \"shortName\": \"cisa-cg\", \"dateUpdated\": \"2024-07-01T15:04:50.790Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-3661\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-28T19:09:06.995Z\", \"dateReserved\": \"2024-04-11T17:24:22.637Z\", \"assignerOrgId\": \"9119a7d8-5eab-497f-8521-727c672e3725\", \"datePublished\": \"2024-05-06T18:31:21.217Z\", \"assignerShortName\": \"cisa-cg\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.