gsd-2020-7060
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.
Aliases
Aliases
CVE-2020-7060


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-7060",
    "description": "When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.",
    "id": "GSD-2020-7060",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-7060.html",
      "https://www.debian.org/security/2020/dsa-4628",
      "https://www.debian.org/security/2020/dsa-4626",
      "https://access.redhat.com/errata/RHSA-2020:5275",
      "https://access.redhat.com/errata/RHSA-2020:3662",
      "https://ubuntu.com/security/CVE-2020-7060",
      "https://advisories.mageia.org/CVE-2020-7060.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2020-7060.html",
      "https://linux.oracle.com/cve/CVE-2020-7060.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-7060"
      ],
      "details": "When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.",
      "id": "GSD-2020-7060",
      "modified": "2023-12-13T01:21:51.754139Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "security@php.net",
        "DATE_PUBLIC": "2020-01-21T15:21:00.000Z",
        "ID": "CVE-2020-7060",
        "STATE": "PUBLIC",
        "TITLE": "global buffer-overflow in mbfl_filt_conv_big5_wchar"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "PHP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.2.x",
                          "version_value": "7.2.27"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.3.x",
                          "version_value": "7.3.14"
                        },
                        {
                          "version_affected": "\u003c",
                          "version_name": "7.4.x",
                          "version_value": "7.4.2"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "PHP Group"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Reported by reza at iseclab dot org"
        }
      ],
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      "description": {
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            "value": "When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        }
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                "value": "CWE-125 Out-of-bounds Read"
              }
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          }
        ]
      },
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            "name": "20200218 [SECURITY] [DSA 4626-1] php7.3 security update",
            "refsource": "BUGTRAQ",
            "url": "https://seclists.org/bugtraq/2020/Feb/27"
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          },
          {
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            "url": "https://bugs.php.net/bug.php?id=79037"
          },
          {
            "name": "20210116 Re: [SECURITY] [DSA 4628-1] php7.0 security update",
            "refsource": "BUGTRAQ",
            "url": "https://seclists.org/bugtraq/2021/Jan/3"
          },
          {
            "name": "https://www.oracle.com/security-alerts/cpuApr2021.html",
            "refsource": "MISC",
            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
          },
          {
            "name": "https://www.tenable.com/security/tns-2021-14",
            "refsource": "CONFIRM",
            "url": "https://www.tenable.com/security/tns-2021-14"
          }
        ]
      },
      "source": {
        "defect": [
          "https://bugs.php.net/bug.php?id=79037"
        ],
        "discovery": "EXTERNAL"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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                "cpe23Uri": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
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                "versionEndExcluding": "7.4.2",
                "versionStartIncluding": "7.4.0",
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              },
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              {
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            }
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                  "value": "CWE-125"
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              ],
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.4,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2022-07-01T12:33Z",
      "publishedDate": "2020-02-10T08:15Z"
    }
  }
}


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