Vulnerability-Lookup

CVE-2024-3652 (GCVE-0-2024-3652)

Vulnerability from cvelistv5 – Published: 2024-04-11 01:32 – Updated: 2026-02-27 15:19

Title

IKEv1 default AH/ESP responder can cause libreswan to abort and restart

Summary

The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan's default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-04-11 17:26 UTC

CWE

IKEv1 with default AH/ESP configuration can cause libreswan to abort and restart
CWE-404 - Improper Resource Shutdown or Release

Assigner

libreswan CNA under the mitre root

CNA scorecard – unranked: 8 records in the last 180 days, 10 needed details

References

2 references

URL	Tags
https://libreswan.org/security/CVE-2024-3652	vendor-advisory
http://www.openwall.com/lists/oss-security/2024/04/18/2

Impacted products

1 product

Vendor	Product	Version	CPE status
The Libreswan Project (www.libreswan.org)	libreswan	Affected: 3.22 , ≤ 4.14 (semver) Unaffected: 5.0	guessed

Date Public

2024-04-12 21:00

Credits

github user X1AOxiang

Show details on NVD website

JSON

To clipboard

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UBUNTU-CVE-2024-3652 (CVE-2024-3652)

Vulnerability from osv_ubuntu – Published: 2024-04-11 02:15 – Updated: 2026-05-20 15:07 – Source website

Details

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2024-3652	REPORT
	https://libreswan.org/security/CVE-2024-3652	REPORT
	https://www.cve.org/CVERecord?id=CVE-2024-3652	REPORT

JSON

To clipboard

{
  "affected": [
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      "ecosystem_specific": {
        "binaries": [
          {
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            "binary_version": "3.23-4"
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        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "libreswan",
        "purl": "pkg:deb/ubuntu/libreswan@3.23-4?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
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            {
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            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.20-7build1",
        "3.21-2",
        "3.22-1",
        "3.22-2",
        "3.22-3",
        "3.22-4",
        "3.23-1",
        "3.23-4"
      ]
    },
    {
      "ecosystem_specific": {
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          {
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            "binary_version": "3.29-2build1"
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        ]
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      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
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      },
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    {
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            "binary_version": "3.32-3ubuntu3"
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        ]
      },
      "package": {
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        "name": "libreswan",
        "purl": "pkg:deb/ubuntu/libreswan@3.32-3ubuntu3?arch=source\u0026distro=jammy"
      },
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          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.32-3ubuntu3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libreswan",
            "binary_version": "4.14-1ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "libreswan",
        "purl": "pkg:deb/ubuntu/libreswan@4.14-1ubuntu2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.11-1ubuntu1",
        "4.12-1ubuntu1",
        "4.14-1ubuntu1",
        "4.14-1ubuntu2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libreswan",
            "binary_version": "5.2-2.2ubuntu1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "libreswan",
        "purl": "pkg:deb/ubuntu/libreswan@5.2-2.2ubuntu1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.14-1ubuntu2",
        "5.2-2.2ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libreswan",
            "binary_version": "5.2-2.2ubuntu2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "libreswan",
        "purl": "pkg:deb/ubuntu/libreswan@5.2-2.2ubuntu2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.2-2.2ubuntu1",
        "5.2-2.2ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "The Libreswan Project was notified of an issue causing libreswan to restart when using IKEv1 without specifying an esp= line. When the peer requests AES-GMAC, libreswan\u0027s default proposal handler causes an assertion failure and crashes and restarts. IKEv2 connections are not affected.",
  "id": "UBUNTU-CVE-2024-3652",
  "modified": "2026-05-20T15:07:25Z",
  "published": "2024-04-11T02:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-3652"
    },
    {
      "type": "REPORT",
      "url": "https://libreswan.org/security/CVE-2024-3652"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-3652"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2024-3652"
  ]
}

WID-SEC-W-2024-1434

Vulnerability from csaf_certbund - Published: 2024-06-23 22:00 - Updated: 2024-07-31 22:00

Summary

Red Hat Enterprise Linux (pki and Libreswan): Mehrere Schwachstellen

Severity

Mittel

Scope

2 vulnerabilities in this advisory, including CVE-2024-3652.

CVE-2024-3652

Es besteht eine Schwachstelle in Red Hat Enterprise Linux. Dieser Fehler besteht in der Libreswan-Komponente aufgrund eines Assertion-Failure-Problems in der Funktion compute_proto_keymat(), das in bestimmten Szenarien zu einem Absturz und Neustart führt. Ein entfernter authentifizierter Angreifer kann diese Schwachstelle ausnutzen, um einen Denial-of-Service-Zustand zu verursachen.

Known affected: 6 products

Open the full advisory

WID-SEC-W-2025-0794

Vulnerability from csaf_certbund - Published: 2025-04-13 22:00 - Updated: 2025-09-04 22:00

Summary

Juniper Junos Space: Mehrere Schwachstellen

Severity

Hoch

Scope

50 vulnerabilities in this advisory, including CVE-2024-3652.

CVE-2024-3652

Known affected: 3 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2024-3652 (GCVE-0-2024-3652)

UBUNTU-CVE-2024-3652 (CVE-2024-3652)

WID-SEC-W-2024-1434

WID-SEC-W-2025-0794

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Vulnerability timeline

Related by attack behaviour