GSD-2020-7068
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-7068",
"description": "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": "GSD-2020-7068",
"references": [
"https://www.suse.com/security/cve/CVE-2020-7068.html",
"https://www.debian.org/security/2021/dsa-4856",
"https://access.redhat.com/errata/RHSA-2021:4213",
"https://access.redhat.com/errata/RHSA-2021:2992",
"https://ubuntu.com/security/CVE-2020-7068",
"https://alas.aws.amazon.com/cve/html/CVE-2020-7068.html",
"https://linux.oracle.com/cve/CVE-2020-7068.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-7068"
],
"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": "GSD-2020-7068",
"modified": "2023-12-13T01:21:52.256329Z",
"schema_version": "1.4.0"
}
},
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"DATE_PUBLIC": "2020-08-03T16:16:00.000Z",
"ID": "CVE-2020-7068",
"STATE": "PUBLIC",
"TITLE": "Use of freed hash key in the phar_parse_zipfile function"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PHP",
"version": {
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{
"version_affected": "\u003c",
"version_name": "7.3.x",
"version_value": "7.3.21"
},
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},
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}
]
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},
"vendor_name": "PHP Group"
}
]
}
},
"configuration": [
{
"lang": "eng",
"value": "phar extension must be enabled"
}
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"lang": "eng",
"value": "grigoritchy at gmail dot com"
}
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}
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"generator": {
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},
"impact": {
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"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"
}
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"problemtype": {
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"description": [
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"value": "CWE-416 Use After Free"
}
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},
"references": {
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"name": "https://bugs.php.net/bug.php?id=79797",
"refsource": "MISC",
"url": "https://bugs.php.net/bug.php?id=79797"
},
{
"name": "GLSA-202009-10",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202009-10"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200918-0005/",
"refsource": "CONFIRM",
"url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
},
{
"name": "DSA-4856",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-4856"
},
{
"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=79797"
],
"discovery": "EXTERNAL"
}
},
"nvd.nist.gov": {
"configurations": {
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"nodes": [
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"versionEndExcluding": "7.4.9",
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"versionEndExcluding": "7.3.21",
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},
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"cpe_name": [],
"versionEndExcluding": "7.2.33",
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"operator": "OR"
},
{
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"cpe_match": [
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}
]
},
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},
"references": {
"reference_data": [
{
"name": "N/A",
"refsource": "CONFIRM",
"tags": [
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"Vendor Advisory"
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"url": "https://bugs.php.net/bug.php?id=79797"
},
{
"name": "GLSA-202009-10",
"refsource": "GENTOO",
"tags": [
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"url": "https://security.gentoo.org/glsa/202009-10"
},
{
"name": "https://security.netapp.com/advisory/ntap-20200918-0005/",
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"url": "https://security.netapp.com/advisory/ntap-20200918-0005/"
},
{
"name": "DSA-4856",
"refsource": "DEBIAN",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-4856"
},
{
"name": "https://www.tenable.com/security/tns-2021-14",
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"tags": [
"Patch",
"Third Party Advisory"
],
"url": "https://www.tenable.com/security/tns-2021-14"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"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,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"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
}
},
"lastModifiedDate": "2022-07-01T12:18Z",
"publishedDate": "2020-09-09T18:15Z"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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