FKIE_CVE-2009-1958

Vulnerability from fkie_nvd - Published: 2009-06-08 01:00 - Updated: 2026-06-16 23:08
Severity
Summary
charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.
References
cve@mitre.orghttp://download.strongswan.org/CHANGES4.txtVendor Advisory
cve@mitre.orghttp://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patchPatch
cve@mitre.orghttp://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readmePatch
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
cve@mitre.orghttp://secunia.com/advisories/35296
cve@mitre.orghttp://secunia.com/advisories/35685
cve@mitre.orghttp://secunia.com/advisories/36922
cve@mitre.orghttp://www.debian.org/security/2009/dsa-1899
cve@mitre.orghttp://www.securityfocus.com/bid/35178
cve@mitre.orghttps://lists.strongswan.org/pipermail/users/2009-May/003457.html
af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/CHANGES4.txtVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patchPatch
af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readmePatch
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35296
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35685
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/36922
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2009/dsa-1899
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/35178
af854a3a-2127-422b-91ae-364da2661108https://lists.strongswan.org/pipermail/users/2009-May/003457.html
Impacted products
Vendor Product Version
strongswan strongswan *
strongswan strongswan 2.0.0
strongswan strongswan 2.0.1
strongswan strongswan 2.0.2
strongswan strongswan 2.1.0
strongswan strongswan 2.1.1
strongswan strongswan 2.1.2
strongswan strongswan 2.1.3
strongswan strongswan 2.1.4
strongswan strongswan 2.1.5
strongswan strongswan 2.2.0
strongswan strongswan 2.2.1
strongswan strongswan 2.2.2
strongswan strongswan 2.3.0
strongswan strongswan 2.3.1
strongswan strongswan 2.3.2
strongswan strongswan 2.4.0
strongswan strongswan 2.4.0a
strongswan strongswan 2.4.1
strongswan strongswan 2.4.2
strongswan strongswan 2.4.3
strongswan strongswan 2.4.4
strongswan strongswan 2.5.0
strongswan strongswan 2.5.1
strongswan strongswan 2.5.2
strongswan strongswan 2.5.3
strongswan strongswan 2.5.4
strongswan strongswan 2.5.5
strongswan strongswan 2.5.6
strongswan strongswan 2.5.7
strongswan strongswan 2.6.0
strongswan strongswan 2.6.1
strongswan strongswan 2.6.2
strongswan strongswan 2.6.3
strongswan strongswan 2.6.4
strongswan strongswan 2.6.16
strongswan strongswan 2.6.20
strongswan strongswan 2.7.0
strongswan strongswan 2.8.0
strongswan strongswan 2.8.1
strongswan strongswan 2.8.2
strongswan strongswan 2.8.3
strongswan strongswan 2.8.4
strongswan strongswan 2.8.5
strongswan strongswan 2.8.6
strongswan strongswan 2.8.7
strongswan strongswan 2.8.8
strongswan strongswan 4.0.0
strongswan strongswan 4.0.1
strongswan strongswan 4.0.2
strongswan strongswan 4.0.3
strongswan strongswan 4.0.4
strongswan strongswan 4.0.5
strongswan strongswan 4.0.6
strongswan strongswan 4.0.7
strongswan strongswan 4.1.0
strongswan strongswan 4.1.1
strongswan strongswan 4.1.2
strongswan strongswan 4.1.3
strongswan strongswan 4.1.4
strongswan strongswan 4.1.5
strongswan strongswan 4.1.6
strongswan strongswan 4.1.7
strongswan strongswan 4.1.8
strongswan strongswan 4.1.9
strongswan strongswan 4.1.10
strongswan strongswan 4.1.11
strongswan strongswan 4.2.0
strongswan strongswan 4.2.1
strongswan strongswan 4.2.2
strongswan strongswan 4.2.3
strongswan strongswan 4.2.4
strongswan strongswan 4.2.5
strongswan strongswan 4.2.6
strongswan strongswan 4.2.7
strongswan strongswan 4.2.8
strongswan strongswan 4.2.10
strongswan strongswan 4.2.11
strongswan strongswan 4.2.12
strongswan strongswan 4.2.13

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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector."
    },
    {
      "lang": "es",
      "value": "charon/sa/tasks/child_create.c en el demonio charon en strongSWAN anteriores a v4.3.1 conmuta el test NULL por cargas destructivas TSi y TSr, lo que permite a los atacantes remotos causar una denegaci\u00f3n de servicio a trav\u00e9s de una petici\u00f3n IKE__AUTH sin un (1) TSi o (2) un selector de tr\u00e1fico TSr."
    }
  ],
  "id": "CVE-2009-1958",
  "lastModified": "2026-06-16T23:08:26.883",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2009-06-08T01:00:00.750",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://download.strongswan.org/CHANGES4.txt"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/35296"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/35685"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://secunia.com/advisories/36922"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.debian.org/security/2009/dsa-1899"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/35178"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.strongswan.org/pipermail/users/2009-May/003457.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://download.strongswan.org/CHANGES4.txt"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/35296"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/35685"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/36922"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.debian.org/security/2009/dsa-1899"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/35178"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.strongswan.org/pipermail/users/2009-May/003457.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.

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Detection rules are retrieved from Rulezet.

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