FKIE_CVE-2020-7064
Vulnerability from fkie_nvd - Published: 2020-04-01 04:15 - Updated: 2026-06-17 03:24
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
5.4 (Medium) - CVSS:3.1/
Summary
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| php | php | * | |
| php | php | * | |
| php | php | * | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| debian | debian_linux | 10.0 | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 18.04 | |
| canonical | ubuntu_linux | 19.10 | |
| canonical | ubuntu_linux | 20.04 | |
| opensuse | leap | 15.1 | |
| tenable | tenable.sc | * |
{
"affected": [
{
"affectedData": [
{
"product": "PHP",
"vendor": "PHP Group",
"versions": [
{
"lessThan": "7.3.16",
"status": "affected",
"version": "7.3.x",
"versionType": "custom"
},
{
"lessThan": "7.4.4",
"status": "affected",
"version": "7.4.x",
"versionType": "custom"
},
{
"lessThan": "7.2.29",
"status": "affected",
"version": "7.2.x",
"versionType": "custom"
}
]
}
],
"source": "security@php.net"
}
],
"configurations": [
{
"nodes": [
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"matchCriteriaId": "A758E148-563D-4E04-A321-71FB7622314F",
"versionEndExcluding": "7.2.29",
"versionStartIncluding": "7.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "ECF918F4-EEAF-4F96-A49A-D367D549C52B",
"versionEndExcluding": "7.3.16",
"versionStartIncluding": "7.3.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "F809DF30-2CCC-4E3D-819B-75E5E0827E45",
"versionEndExcluding": "7.4.4",
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"vulnerable": true
}
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"negate": false,
"operator": "OR"
}
]
},
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"nodes": [
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"vulnerable": true
},
{
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"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
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},
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}
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"vulnerable": true
},
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"vulnerable": true
},
{
"criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
"matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
"vulnerable": true
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"nodes": [
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"versionEndExcluding": "5.19.0",
"vulnerable": true
}
],
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"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash."
},
{
"lang": "es",
"value": "En PHP versiones 7.2.x por debajo de 7.2.9, versiones 7.3.x por debajo de 7.3.16 y versiones 7.4.x por debajo de 7.4.4, al analizar datos EXIF ??con la funci\u00f3n exif_read_data(), es posible que unos datos maliciosos causen que PHP lea un byte de memoria no inicializada. Esto podr\u00eda potencialmente conllevar a una divulgaci\u00f3n de informaci\u00f3n o a un bloqueo"
}
],
"id": "CVE-2020-7064",
"lastModified": "2026-06-17T03:24:17.643",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 4.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": true
}
],
"cvssMetricV31": [
{
"cvssData": {
"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"
},
"exploitabilityScore": 3.9,
"impactScore": 2.5,
"source": "security@php.net",
"type": "Secondary"
},
{
"cvssData": {
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"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-04-01T04:15:13.693",
"references": [
{
"source": "security@php.net",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.html"
},
{
"source": "security@php.net",
"tags": [
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],
"url": "https://bugs.php.net/bug.php?id=79282"
},
{
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"url": "https://lists.debian.org/debian-lts-announce/2020/04/msg00021.html"
},
{
"source": "security@php.net",
"tags": [
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],
"url": "https://security.netapp.com/advisory/ntap-20200403-0001/"
},
{
"source": "security@php.net",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4330-1/"
},
{
"source": "security@php.net",
"tags": [
"Third Party Advisory"
],
"url": "https://usn.ubuntu.com/4330-2/"
},
{
"source": "security@php.net",
"tags": [
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],
"url": "https://www.debian.org/security/2020/dsa-4717"
},
{
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],
"url": "https://www.debian.org/security/2020/dsa-4719"
},
{
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],
"url": "https://www.oracle.com/security-alerts/cpujan2021.html"
},
{
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"sourceIdentifier": "security@php.net",
"vulnStatus": "Modified",
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"value": "CWE-125"
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],
"source": "nvd@nist.gov",
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}
]
}
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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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