github - ghsa-77h7-8788-mfv3

ghsa-77h7-8788-mfv3

Vulnerability from github

Published

2024-03-11 21:31

Modified

2024-11-20 21:30

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2024-2357"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-03-11T20:15:07Z",
    "severity": "MODERATE"
  },
  "details": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service.",
  "id": "GHSA-77h7-8788-mfv3",
  "modified": "2024-11-20T21:30:42Z",
  "published": "2024-03-11T21:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-2357"
    },
    {
      "type": "WEB",
      "url": "https://libreswan.org/security/CVE-2024-2357"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2024-2357

Vulnerability from cvelistv5

Published

2024-03-11 19:39

Modified

2024-11-20 17:25

Severity ?

6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

IKEv2 misconfiguration can cause libreswan to abort and restart

References

▼	URL	Tags
	https://libreswan.org/security/CVE-2024-2357	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/

Impacted products

Vendor

Product

Version

▼

The Libreswan Project (www.libreswan.org)

libreswan

Version: 4.2 ≤ 4.12

Show details on NVD website

JSON

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{
  "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-2024-2357",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-03-12T16:21:48.798359Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-20T17:25:31.624Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T19:11:53.507Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "CVE-2024-2357",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://libreswan.org/security/CVE-2024-2357"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "libreswan",
          "vendor": "The Libreswan Project (www.libreswan.org)",
          "versions": [
            {
              "lessThanOrEqual": "4.1",
              "status": "unaffected",
              "version": "3.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.12",
              "status": "affected",
              "version": "4.2",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.0"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "The vulnerability can only be triggered for connections with ikev2=yes and authby=secret"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Andrew Vaughn"
        }
      ],
      "datePublic": "2024-03-11T14:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The Libreswan Project was notified of an issue causing libreswan to restart under some IKEv2 retransmit scenarios when a connection is configured to use PreSharedKeys (authby=secret) and the connection cannot find a matching configured secret. When such a connection is automatically added on startup using the auto= keyword, it can cause repeated crashes leading to a Denial of Service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "IKEv2 misconfiguration can cause libreswan to abort and restart",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-03-11T19:39:03.280Z",
        "orgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
        "shortName": "libreswan"
      },
      "references": [
        {
          "name": "CVE-2024-2357",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://libreswan.org/security/CVE-2024-2357"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EJZJYFHKBIJ4ZK5GAWWFFR3AKJS6O5JX/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HEM46ALKF7NG6CAUKZ7KQERVOHWQIQKY/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TVQ7MZY6LFFGRWAJNTKKN2VSEFS2VPAR/"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "This issue is fixed in 4.13, 5.0 and all later versions."
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2024-02-08T00:00:00.000Z",
          "value": "Issue reported publicly via https://github.com/libreswan/libreswan/issues/1609"
        },
        {
          "lang": "en",
          "time": "2024-02-14T00:00:00.000Z",
          "value": "Workaround posted in the github issue"
        },
        {
          "lang": "en",
          "time": "2024-02-15T00:00:00.000Z",
          "value": "Fix published (as issue was already public via githb issue)"
        },
        {
          "lang": "en",
          "time": "2024-03-09T00:00:00.000Z",
          "value": "Advanced notice given to support customers and distributions"
        },
        {
          "lang": "en",
          "time": "2024-03-11T00:00:00.000Z",
          "value": "CVE-2024-2357 published"
        }
      ],
      "title": "IKEv2 misconfiguration can cause libreswan to abort and restart",
      "workarounds": [
        {
          "lang": "en",
          "value": "As a workaround, one can place an unguessable long random default secret in /etc/ipsec.secrets, for example using the following command:\n\n echo -e \"# CVE-2024-2357 workaround\n: PSK \"$(openssl rand -hex 32)\"\" \u003e\u003e /etc/ipsec.secrets\n\nThis will ensure a PSK secret is always found, but it will always be wrong, and thus authentication will still properly fail."
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d42dc95b-23f1-4e06-9076-20753a0fb0df",
    "assignerShortName": "libreswan",
    "cveId": "CVE-2024-2357",
    "datePublished": "2024-03-11T19:39:03.280Z",
    "dateReserved": "2024-03-09T22:24:12.530Z",
    "dateUpdated": "2024-11-20T17:25:31.624Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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