FKIE_CVE-2019-7309

Vulnerability from fkie_nvd - Published: 2019-02-03 02:29 - Updated: 2024-11-21 04:47
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.
References
cve@mitre.orghttp://www.securityfocus.com/bid/106835Third Party Advisory, VDB Entry
cve@mitre.orghttps://security.gentoo.org/glsa/202006-04
cve@mitre.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=24155Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://sourceware.org/ml/libc-alpha/2019-02/msg00041.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/106835Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202006-04
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=24155Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/ml/libc-alpha/2019-02/msg00041.htmlMailing List, Third Party Advisory
Impacted products
Vendor Product Version
gnu glibc *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:x86:*",
              "matchCriteriaId": "90936868-EB88-41E3-A01D-D5F469CE46C3",
              "versionEndIncluding": "2.29",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled."
    },
    {
      "lang": "es",
      "value": "En GNU C Library (tambi\u00e9n conocido como glibc o libc6), hasta la versi\u00f3n 2.29, la funci\u00f3n memcmp para la arquitectura x32 puede devolver cero (indicando que las entradas son iguales) de manera incorrecta debido a que el bit de RDX m\u00e1s significativo se gestiona incorrectamente."
    }
  ],
  "id": "CVE-2019-7309",
  "lastModified": "2024-11-21T04:47:58.757",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2019-02-03T02:29:00.237",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
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      "url": "http://www.securityfocus.com/bid/106835"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://security.gentoo.org/glsa/202006-04"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Issue Tracking",
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      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=24155"
    },
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      "source": "cve@mitre.org",
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    },
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      "tags": [
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      "url": "http://www.securityfocus.com/bid/106835"
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      "url": "https://security.gentoo.org/glsa/202006-04"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Issue Tracking",
        "Third Party Advisory"
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      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=24155"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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