Vulnerability-Lookup

alsa-2024:4050

Vulnerability from osv_almalinux

Published

2024-06-23 00:00

Modified

2024-06-24 12:13

Summary

Moderate: libreswan security update

Details

Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).

Security Fix(es):

libreswan: IKEv1 default AH/ESP responder can crash and restart (CVE-2024-3652)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2024:4050	ADVISORY
	https://access.redhat.com/security/cve/CVE-2024-3652	REPORT
	https://bugzilla.redhat.com/2274448	REPORT
	https://errata.almalinux.org/9/ALSA-2024-4050.html	ADVISORY

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "libreswan"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.12-2.el9_4.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Libreswan is an implementation of IPsec and IKE for Linux. IPsec is the Internet Protocol Security and uses strong cryptography to provide both authentication and encryption services. These services allow you to build secure tunnels through untrusted networks such as virtual private network (VPN).\n\nSecurity Fix(es):\n\n* libreswan: IKEv1 default AH/ESP responder can crash and restart (CVE-2024-3652)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2024:4050",
  "modified": "2024-06-24T12:13:31Z",
  "published": "2024-06-23T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2024:4050"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2024-3652"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2274448"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/9/ALSA-2024-4050.html"
    }
  ],
  "related": [
    "CVE-2024-3652"
  ],
  "summary": "Moderate: libreswan security update"
}

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

CWE

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

Assigner

libreswan

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

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

Date Public ?

2024-04-12 21:00

Credits

github user X1AOxiang

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-3652",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-04-11T17:26:47.015453Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-404",
                "description": "CWE-404 Improper Resource Shutdown or Release",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-27T15:19:48.988Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T20:19:59.933Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "CVE-2024-3652",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://libreswan.org/security/CVE-2024-3652"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/04/18/2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "libreswan",
          "vendor": "The Libreswan Project (www.libreswan.org)",
          "versions": [
            {
              "lessThanOrEqual": "4.14",
              "status": "affected",
              "version": "3.22",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.0"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "The vulnerability can only be triggered for connections with ikev2=no that do not specify an esp= option."
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "github user X1AOxiang"
        }
      ],
      "datePublic": "2024-04-12T21:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "IKEv1 with default AH/ESP configuration can cause libreswan to abort and restart",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-05-01T17:10:23.219Z",
        "orgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
        "shortName": "libreswan"
      },
      "references": [
        {
          "name": "CVE-2024-3652",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://libreswan.org/security/CVE-2024-3652"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/04/18/2"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "This issue is fixed in 4.15 and all later versions."
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-03-24T00:00:00.000Z",
          "value": "Issue reported publicly by github user X1AOxiang via https://github.com/libreswan/libreswan/issues/1665"
        },
        {
          "lang": "en",
          "time": "2024-03-27T00:00:00.000Z",
          "value": "Fix published in commit 03caa63de1e3 (as issue was already public via githb issue)"
        },
        {
          "lang": "en",
          "time": "2024-04-10T00:00:00.000Z",
          "value": "Advanced notice given to support customers and distributions"
        },
        {
          "lang": "en",
          "time": "2024-04-12T00:00:00.000Z",
          "value": "CVE-2024-3652 published"
        }
      ],
      "title": "IKEv1 default AH/ESP responder can cause libreswan to abort and restart",
      "workarounds": [
        {
          "lang": "en",
          "value": "As a workaround, adding an esp= line to all IKEv1 connections works around the issue. An example covering most common default configurations would be: esp=aes-sha2_512,aes-sha1,aes-sha2_256,aes-md5,3des-sha1,3des-md5."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
    "assignerShortName": "libreswan",
    "cveId": "CVE-2024-3652",
    "datePublished": "2024-04-11T01:32:13.433Z",
    "dateReserved": "2024-04-11T01:28:41.331Z",
    "dateUpdated": "2026-02-27T15:19:48.988Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

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