FKIE_CVE-2019-9675

Vulnerability from fkie_nvd - Published: 2019-03-11 11:29 - Updated: 2026-06-17 02:44
Severity
8.1 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
cve@mitre.orghttp://php.net/ChangeLog-7.phpProduct, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77586Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://usn.ubuntu.com/3922-2/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3922-3/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
af854a3a-2127-422b-91ae-364da2661108http://php.net/ChangeLog-7.phpProduct, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77586Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3922-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3922-3/Third Party Advisory
Impacted products
Vendor Product Version
php php *
php php *
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
opensuse leap 42.3
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
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      "tags": [
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  ],
  "descriptions": [
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      "lang": "en",
      "value": "An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: \"This issue allows theoretical compromise of security, but a practical attack is usually impossible."
    },
    {
      "lang": "es",
      "value": "** EN DISPUTA ** Se ha detectado un fallo en PHP, en las versiones 7.x anteriores a la 7.1.27 y en las 7.3.x anteriores a la 7.3.3. phar_tar_writeheaders_int tiene un desbordamiento de b\u00fafer mediante un valor de enlace largo. NOTA: el fabricante indica que el valor de enlace se utiliza solamente cuando un archivo contiene un symlink, algo que actualmente no puede ocurrir: \"Este fallo facilita el compromiso te\u00f3rico de la seguridad. Sin embargo, un ataque pr\u00e1ctico es normalmente imposible.\""
    }
  ],
  "id": "CVE-2019-9675",
  "lastModified": "2026-06-17T02:44:09.797",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
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          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-03-11T11:29:12.080",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html"
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      "tags": [
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://usn.ubuntu.com/3922-2/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://usn.ubuntu.com/3922-3/"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "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

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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.
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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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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.