github - ghsa-jw98-jrc9-mrx5

GHSA-JW98-JRC9-MRX5

Vulnerability from github – Published: 2022-11-14 12:00 – Updated: 2022-11-16 19:00

Details

In PHP versions prior to 7.4.33, 8.0.25 and 8.2.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

Severity ?

7.1 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2022-31630"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125",
      "CWE-131"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-11-14T07:15:00Z",
    "severity": "HIGH"
  },
  "details": "In PHP versions prior to 7.4.33, 8.0.25 and 8.2.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.",
  "id": "GHSA-jw98-jrc9-mrx5",
  "modified": "2022-11-16T19:00:25Z",
  "published": "2022-11-14T12:00:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31630"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=81739"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-31630 (GCVE-0-2022-31630)

Vulnerability from cvelistv5 – Published: 2022-11-14 06:53 – Updated: 2024-08-03 07:26

Summary

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

Severity ?

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CWE

CWE-131 - Incorrect Calculation of Buffer Size
CWE-190 - Integer Overflow or Wraparound

Assigner

php

References

URL

Tags

https://bugs.php.net/bug.php?id=81739

Impacted products

	Vendor	Product	Version
	PHP Group	PHP	Affected: 7.4.x , < 7.4.33 (custom) Affected: 8.0.x , < 8.0.25 (custom) Affected: 8.1.x , < 8.1.12 (custom)

Credits

cmb@php.net cmb@php.net

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T07:26:01.044Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.php.net/bug.php?id=81739"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "modules": [
            "gd"
          ],
          "product": "PHP",
          "repo": "https://github.com/php/php-src",
          "vendor": "PHP Group",
          "versions": [
            {
              "lessThan": "7.4.33",
              "status": "affected",
              "version": "7.4.x",
              "versionType": "custom"
            },
            {
              "lessThan": "8.0.25",
              "status": "affected",
              "version": "8.0.x",
              "versionType": "custom"
            },
            {
              "lessThan": "8.1.12",
              "status": "affected",
              "version": "8.1.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "gd extension"
            }
          ],
          "value": "gd extension"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "cmb@php.net"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "cmb@php.net"
        }
      ],
      "datePublic": "2022-10-24T06:40:00.000Z",
      "descriptions": [
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              "base64": false,
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              "value": "In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.\u0026nbsp;"
            }
          ],
          "value": "In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.\u00a0"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-540",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-540 Overread Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "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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              "lang": "en",
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              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-04-02T02:38:25.144Z",
        "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
        "shortName": "php"
      },
      "references": [
        {
          "url": "https://bugs.php.net/bug.php?id=81739"
        }
      ],
      "source": {
        "defect": [
          "https://bugs.php.net/bug.php?id=81739"
        ],
        "discovery": "INTERNAL"
      },
      "title": "OOB read due to insufficient input validation in imageloadfont()",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
    "assignerShortName": "php",
    "cveId": "CVE-2022-31630",
    "datePublished": "2022-11-14T06:53:06.774Z",
    "dateReserved": "2022-05-25T21:03:32.861Z",
    "dateUpdated": "2024-08-03T07:26:01.044Z",
    "requesterUserId": "520cc88b-a1c8-44f6-9154-21a4d74c769f",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-JW98-JRC9-MRX5

CVE-2022-31630 (GCVE-0-2022-31630)

Tags

Sightings

Nomenclature