fkie_cve-2019-5163
Vulnerability from fkie_nvd
Published
2019-12-03 22:15
Modified
2024-11-21 04:44
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.
References
talos-cna@cisco.comhttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.htmlMailing List, Third Party Advisory
talos-cna@cisco.comhttp://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.htmlMailing List, Third Party Advisory
talos-cna@cisco.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2019-0956Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956Exploit, Third Party Advisory
Impacted products
Vendor Product Version
shadowsocks shadowsocks-libev 3.3.2
opensuse backports sle-15
opensuse leap 15.1


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:shadowsocks:shadowsocks-libev:3.3.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6C7487D4-D438-4F80-985D-61BEF8854421",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "C84D9410-31B7-421A-AD99-8ED2E45A9BC6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability."
    },
    {
      "lang": "es",
      "value": "Hay una vulnerabilidad de denegaci\u00f3n de servicio explotable en la funcionalidad UDPRelay de Shadowsocks-libev versi\u00f3n 3.3.2. Cuando se utiliza un Cifrado de Flujo y un local_address, unos paquetes UDP arbitrarios pueden causar una ruta de c\u00f3digo de error FATAL y salir. Un atacante puede enviar paquetes UDP arbitrarios para activar esta vulnerabilidad."
    }
  ],
  "id": "CVE-2019-5163",
  "lastModified": "2024-11-21T04:44:28.237",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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      }
    ],
    "cvssMetricV30": [
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
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          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
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        "impactScore": 3.6,
        "source": "talos-cna@cisco.com",
        "type": "Secondary"
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    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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        },
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        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  },
  "published": "2019-12-03T22:15:15.370",
  "references": [
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      "tags": [
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      "tags": [
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    },
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      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956"
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "talos-cna@cisco.com",
      "type": "Secondary"
    },
    {
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        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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