FKIE_CVE-2023-39323

Vulnerability from fkie_nvd - Published: 2023-10-05 21:15 - Updated: 2025-06-12 16:15
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Line directives ("//line") can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build". The line directive requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex.
References
security@golang.orghttps://go.dev/cl/533215Patch
security@golang.orghttps://go.dev/issue/63211Issue Tracking, Patch
security@golang.orghttps://groups.google.com/g/golang-announce/c/XBa1oHDevAoMailing List, Release Notes
security@golang.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/Mailing List, Third Party Advisory
security@golang.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/Mailing List, Third Party Advisory
security@golang.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/Mailing List, Third Party Advisory
security@golang.orghttps://pkg.go.dev/vuln/GO-2023-2095Vendor Advisory
security@golang.orghttps://security.gentoo.org/glsa/202311-09Third Party Advisory
security@golang.orghttps://security.netapp.com/advisory/ntap-20231020-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://go.dev/cl/533215Patch
af854a3a-2127-422b-91ae-364da2661108https://go.dev/issue/63211Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/golang-announce/c/XBa1oHDevAoMailing List, Release Notes
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLB4TW7KALB3EEQWNWCN7OUIWWVWWCG2/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSEGD2IWKNUO3DWY4KQGUQM5BISRWHQE/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XFOIBB4YFICHDM7IBOP7PWXW3FX4HLL2/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://pkg.go.dev/vuln/GO-2023-2095Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202311-09Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231020-0001/Third Party Advisory
Impacted products
Vendor Product Version
golang go *
golang go *
fedoraproject fedora 37
fedoraproject fedora 38
fedoraproject fedora 39
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "84851C3D-3035-457E-96D9-48E219817D58",
              "versionEndExcluding": "1.20.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7381A279-81EB-48D9-8065-C733FA8736B8",
              "versionEndExcluding": "1.21.2",
              "versionStartIncluding": "1.21.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
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    {
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              "vulnerable": true
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            {
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              "matchCriteriaId": "CC559B26-5DFC-4B7A-A27C-B77DE755DFF9",
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            {
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              "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646",
              "vulnerable": true
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Line directives (\"//line\") can be used to bypass the restrictions on \"//go:cgo_\" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running \"go build\". The line directive requires the absolute path of the file in which the directive lives, which makes exploiting this issue significantly more complex."
    },
    {
      "lang": "es",
      "value": "Las directivas de l\u00ednea (\"//line\") se pueden utilizar para evitar las restricciones de las directivas \"//go:cgo_\", permitiendo que se pasen indicadores bloqueados del enlazador y del compilador durante la compilaci\u00f3n. Esto puede provocar la ejecuci\u00f3n inesperada de c\u00f3digo arbitrario al ejecutar \"go build\". La directiva de l\u00ednea requiere la ruta absoluta del archivo en el que se encuentra la directiva, lo que hace que explotar este problema sea significativamente m\u00e1s complejo."
    }
  ],
  "id": "CVE-2023-39323",
  "lastModified": "2025-06-12T16:15:20.520",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2023-10-05T21:15:11.283",
  "references": [
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      "source": "security@golang.org",
      "tags": [
        "Patch"
      ],
      "url": "https://go.dev/cl/533215"
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      "tags": [
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    {
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      "url": "https://pkg.go.dev/vuln/GO-2023-2095"
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    {
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      "url": "https://security.netapp.com/advisory/ntap-20231020-0001/"
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  "sourceIdentifier": "security@golang.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.
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  • 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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