Vulnerability-Lookup

FKIE_CVE-2020-7068

Vulnerability from fkie_nvd - Published: 2020-09-09 18:15 - Updated: 2026-06-17 03:24

Severity

4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
3.6 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L

Summary

In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.

References

URL	Tags
security@php.net	https://bugs.php.net/bug.php?id=79797	Exploit, Mailing List, Patch, Vendor Advisory
security@php.net	https://security.gentoo.org/glsa/202009-10	Third Party Advisory
security@php.net	https://security.netapp.com/advisory/ntap-20200918-0005/	Third Party Advisory
security@php.net	https://www.debian.org/security/2021/dsa-4856	Third Party Advisory
security@php.net	https://www.tenable.com/security/tns-2021-14	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugs.php.net/bug.php?id=79797	Exploit, Mailing List, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202009-10	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20200918-0005/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.debian.org/security/2021/dsa-4856	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.tenable.com/security/tns-2021-14	Patch, Third Party Advisory

Impacted products

Vendor	Product	Version
php	php	*
php	php	*
php	php	*
debian	debian_linux	10.0
tenable	tenable.sc	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "PHP",
          "vendor": "PHP Group",
          "versions": [
            {
              "lessThan": "7.3.21",
              "status": "affected",
              "version": "7.3.x",
              "versionType": "custom"
            },
            {
              "lessThan": "7.4.9",
              "status": "affected",
              "version": "7.4.x",
              "versionType": "custom"
            },
            {
              "lessThan": "7.2.33",
              "status": "affected",
              "version": "7.2.x",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@php.net"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "822158CB-39AD-45A2-8846-64B9DA6D7D6D",
              "versionEndExcluding": "7.2.33",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "9638ADE3-FBBA-4F05-B115-38E19926C73B",
              "versionEndExcluding": "7.3.21",
              "versionStartIncluding": "7.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "548DD627-7597-4A9B-8C3B-6A40B737639B",
              "versionEndExcluding": "7.4.9",
              "versionStartIncluding": "7.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
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          "operator": "OR"
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              "versionEndExcluding": "5.19.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure."
    },
    {
      "lang": "es",
      "value": "En PHP versiones 7.2.x por debajo de 7.2.33, 7.3.x por debajo de 7.3.21 y 7.4.x por debajo de 7.4.9, mientras se procesan archivos PHAR con la extensi\u00f3n phar, la funci\u00f3n phar_parse_zipfile podr\u00eda ser enga\u00f1ada para que acceda a la memoria liberada, lo que podr\u00eda conllevar a un bloqueo o una divulgaci\u00f3n de informaci\u00f3n"
    }
  ],
  "id": "CVE-2020-7068",
  "lastModified": "2026-06-17T03:24:18.233",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "security@php.net",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 3.6,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-09-09T18:15:23.400",
  "references": [
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      "source": "security@php.net",
      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://bugs.php.net/bug.php?id=79797"
    },
    {
      "source": "security@php.net",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202009-10"
    },
    {
      "source": "security@php.net",
      "tags": [
        "Third Party Advisory"
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      "url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
    },
    {
      "source": "security@php.net",
      "tags": [
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      "url": "https://www.debian.org/security/2021/dsa-4856"
    },
    {
      "source": "security@php.net",
      "tags": [
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    },
    {
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      "tags": [
        "Exploit",
        "Mailing List",
        "Patch",
        "Vendor Advisory"
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      "url": "https://bugs.php.net/bug.php?id=79797"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
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      "url": "https://security.gentoo.org/glsa/202009-10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.debian.org/security/2021/dsa-4856"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.tenable.com/security/tns-2021-14"
    }
  ],
  "sourceIdentifier": "security@php.net",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "security@php.net",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-7068 (GCVE-0-2020-7068)

Vulnerability from cvelistv5 – Published: 2020-09-09 17:58 – Updated: 2024-09-17 00:36

Title

Use of freed hash key in the phar_parse_zipfile function

Summary

Severity

4.8 (Medium)


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

CWE

CWE-416 - Use After Free

Assigner

php mitre root

References

5 references

URL	Tags
https://bugs.php.net/bug.php?id=79797	x_refsource_MISC
https://security.gentoo.org/glsa/202009-10	vendor-advisoryx_refsource_GENTOO
https://security.netapp.com/advisory/ntap-2020091…	x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4856	vendor-advisoryx_refsource_DEBIAN
https://www.tenable.com/security/tns-2021-14	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
PHP Group	PHP	Affected: 7.3.x , < 7.3.21 (custom) Affected: 7.4.x , < 7.4.9 (custom) Affected: 7.2.x , < 7.2.33 (custom)

Date Public

2020-08-03 00:00

Credits

grigoritchy at gmail dot com

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T09:18:03.035Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
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              "x_transferred"
            ],
            "url": "https://bugs.php.net/bug.php?id=79797"
          },
          {
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            "tags": [
              "vendor-advisory",
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            "url": "https://security.gentoo.org/glsa/202009-10"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
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            "url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
          },
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            "name": "DSA-4856",
            "tags": [
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            "url": "https://www.debian.org/security/2021/dsa-4856"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
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            "url": "https://www.tenable.com/security/tns-2021-14"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "product": "PHP",
          "vendor": "PHP Group",
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            {
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      "configurations": [
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          "url": "https://www.tenable.com/security/tns-2021-14"
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      "source": {
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}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.