GSD-2020-7060

Vulnerability from gsd - Updated: 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
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{
  "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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        "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": [
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                    "product_name": "PHP",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
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                          "version_value": "7.2.27"
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                        }
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                ]
              },
              "vendor_name": "PHP Group"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "Reported by reza at iseclab dot org"
        }
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      "data_type": "CVE",
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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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            "name": "20210116 Re: [SECURITY] [DSA 4628-1] php7.0 security update",
            "refsource": "BUGTRAQ",
            "url": "https://seclists.org/bugtraq/2021/Jan/3"
          },
          {
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            "url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
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          {
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            "url": "https://www.tenable.com/security/tns-2021-14"
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      "source": {
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        ],
        "discovery": "EXTERNAL"
      }
    },
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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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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.
  • 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.