{
  "id": "CVE-2020-9760",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-03-23T16:15:17.923",
  "lastModified": "2022-04-01T15:39:04.017",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en WeeChat versiones anteriores a  2.7.1 (versiones 0.3.4 hasta 2.7 est\u00e1n afectadas). Cuando se recibe un nuevo mensaje 005 IRC con prefijos nick m\u00e1s largos, un desbordamiento del b\u00fafer y posiblemente un bloqueo puede presentarse cuando se ajusta un nuevo modo para un nick."
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
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        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:weechat:weechat:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "0.3.4",
              "versionEndExcluding": "2.7.1",
              "matchCriteriaId": "AE097718-399A-4240-ACE3-ED08FDBE747E"
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    {
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          "operator": "OR",
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          "cpeMatch": [
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              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
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            {
              "vulnerable": true,
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              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
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  "references": [
    {
      "url": "https://github.com/weechat/weechat/commit/40ccacb4330a64802b1f1e28ed9a6b6d3ca9197f",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2020/03/msg00031.html",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00018.html",
      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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    },
    {
      "url": "https://security.gentoo.org/glsa/202003-51",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://weechat.org/doc/security/",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
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    }
  ]
}