Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2025-08-11 13:53

Modified

2026-09-10 15:46

Summary

Use of freed hash key in the phar_parse_zipfile function

Details

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.

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "libphp",
        "purl": "pkg:bitnami/libphp"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.33"
            },
            {
              "introduced": "7.3.0"
            },
            {
              "fixed": "7.3.21"
            },
            {
              "introduced": "7.4.0"
            },
            {
              "fixed": "7.4.9"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-7068"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*"
    ],
    "severity": "Medium"
  },
  "details": "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.",
  "id": "BIT-libphp-2020-7068",
  "modified": "2026-09-10T15:46:03.895Z",
  "published": "2025-08-11T13:53:13.129Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://bugs.php.net/bug.php?id=79797"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7068"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.gentoo.org/glsa/202009-10"
    },
    {
      "type": "ADVISORY",
      "url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.debian.org/security/2021/dsa-4856"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.tenable.com/security/tns-2021-14"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Use of freed hash key in the phar_parse_zipfile function"
}

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

{
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      {
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          "dateUpdated": "2024-08-04T09:18:03.035Z",
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          "vendor": "PHP Group",
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          "url": "https://www.debian.org/security/2021/dsa-4856"
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          "url": "https://www.tenable.com/security/tns-2021-14"
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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.