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FKIE_CVE-2019-9023

Vulnerability from fkie_nvd - Published: 2019-02-22 23:29 - Updated: 2026-06-17 02:42
Severity
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlThird Party Advisory
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/msg00041.html
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
cve@mitre.orghttp://www.securityfocus.com/bid/107156Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:2519
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2019:3299
cve@mitre.orghttps://bugs.php.net/bug.php?id=77370Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77371Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77381Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77382Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77385Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77394Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://bugs.php.net/bug.php?id=77418Exploit, Issue Tracking, Patch, Vendor Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20190321-0001/Patch, Third Party Advisory
cve@mitre.orghttps://support.f5.com/csp/article/K06372014Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3902-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3902-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2019/dsa-4398Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlThird 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/msg00041.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/107156Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:2519
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2019:3299
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77370Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77371Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77381Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77382Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77385Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77394Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=77418Exploit, Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190321-0001/Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K06372014Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3902-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3902-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2019/dsa-4398Third Party Advisory
Impacted products
Vendor Product Version
php php *
php php *
php php *
php php *
debian debian_linux 9.0
canonical ubuntu_linux 12.04
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
netapp storage_automation_store -
opensuse leap 42.3
To clipboard 

{
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          "vendor": "n/a",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A number of heap-based buffer over-read instances are present in mbstring regular expression functions when supplied with invalid multibyte data. These occur in ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c, and ext/mbstring/oniguruma/src/utf32_be.c when a multibyte regular expression pattern contains invalid multibyte sequences."
    },
    {
      "lang": "es",
      "value": "Se ha descubierto un problema en PHP en versiones anteriores a la 5.6.40, versiones 7.x anteriores a la 7.1.26, versiones 7.2.x anteriores a la 7.2.14 y versiones 7.3.x anteriores a la 7.3.1. Existen instancias de sobrelectura de b\u00fafer basada en memoria din\u00e1mica (heap) en las funciones de expresi\u00f3n regular mbstring cuando se les proporcionan datos multibyte inv\u00e1lidos. Estas ocurren en ext/mbstring/oniguruma/regcomp.c, ext/mbstring/oniguruma/regexec.c, ext/mbstring/oniguruma/regparse.c, ext/mbstring/oniguruma/enc/unicode.c y ext/mbstring/oniguruma/src/utf32_be.c cuando un patr\u00f3n de expresi\u00f3n regular multibyte contiene secuencias multibyte inv\u00e1lidas."
    }
  ],
  "id": "CVE-2019-9023",
  "lastModified": "2026-06-17T02:42:56.457",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-02-22T23:29:00.487",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/107156"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:2519"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://access.redhat.com/errata/RHSA-2019:3299"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Patch",
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      "url": "https://bugs.php.net/bug.php?id=77371"
    },
    {
      "source": "cve@mitre.org",
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    },
    {
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      "tags": [
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      "url": "https://bugs.php.net/bug.php?id=77382"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://bugs.php.net/bug.php?id=77385"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://bugs.php.net/bug.php?id=77394"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Issue Tracking",
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    },
    {
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    {
      "source": "cve@mitre.org",
      "tags": [
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://usn.ubuntu.com/3902-1/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      ],
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    },
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    {
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    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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        "Issue Tracking",
        "Patch",
        "Vendor Advisory"
      ],
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    },
    {
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      "tags": [
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        "Issue Tracking",
        "Patch",
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      ],
      "url": "https://bugs.php.net/bug.php?id=77418"
    },
    {
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    },
    {
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      "url": "https://support.f5.com/csp/article/K06372014"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://usn.ubuntu.com/3902-1/"
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      "tags": [
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      ],
      "url": "https://usn.ubuntu.com/3902-2/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2019/dsa-4398"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ],
      "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.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

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.