gsd-2022-31630
Vulnerability from gsd
Modified
2023-12-13 01:19
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.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2022-31630",
"description": "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": "GSD-2022-31630",
"references": [
"https://www.debian.org/security/2022/dsa-5277",
"https://www.suse.com/security/cve/CVE-2022-31630.html",
"https://ubuntu.com/security/CVE-2022-31630",
"https://access.redhat.com/errata/RHSA-2023:0848",
"https://access.redhat.com/errata/RHSA-2023:0965"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2022-31630"
],
"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": "GSD-2022-31630",
"modified": "2023-12-13T01:19:17.530946Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@php.net",
"ID": "CVE-2022-31630",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "PHP",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "7.4.x",
"version_value": "7.4.33"
},
{
"version_affected": "\u003c",
"version_name": "8.0.x",
"version_value": "8.0.25"
},
{
"version_affected": "\u003c",
"version_name": "8.1.x",
"version_value": "8.1.12"
}
]
}
}
]
},
"vendor_name": "PHP Group"
}
]
}
},
"configuration": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "gd extension"
}
],
"value": "gd extension"
}
],
"credits": [
{
"lang": "en",
"value": "cmb@php.net"
},
{
"lang": "en",
"value": "cmb@php.net"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"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"
}
]
},
"generator": {
"engine": "Vulnogram 0.1.0-dev"
},
"impact": {
"cvss": [
{
"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"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"cweId": "CWE-131",
"lang": "eng",
"value": "CWE-131 Incorrect Calculation of Buffer Size"
}
]
},
{
"description": [
{
"cweId": "CWE-190",
"lang": "eng",
"value": "CWE-190 Integer Overflow or Wraparound"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://bugs.php.net/bug.php?id=81739",
"refsource": "MISC",
"url": "https://bugs.php.net/bug.php?id=81739"
}
]
},
"source": {
"defect": [
"https://bugs.php.net/bug.php?id=81739"
],
"discovery": "INTERNAL"
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "53B99259-5C66-4AEF-B500-1F775B6CCA06",
"versionEndExcluding": "7.4.33",
"versionStartIncluding": "7.4.0",
"vulnerable": true
},
{
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"matchCriteriaId": "795EC7FC-4A42-4D2B-A900-02CA7770E515",
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{
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}
],
"negate": false,
"operator": "OR"
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}
],
"descriptions": [
{
"lang": "en",
"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"
},
{
"lang": "es",
"value": "En versiones de PHP anteriores a 7.4.33, 8.0.25 y 8.2.12, cuando se usa la funci\u00f3n imageloadfont() en la extensi\u00f3n gd, es posible proporcionar un archivo de fuente especialmente manipulado, como si la fuente cargada se usa con imagechar() funci\u00f3n, se utilizar\u00e1 la lectura fuera del b\u00fafer asignado. Esto puede provocar fallos o divulgaci\u00f3n de informaci\u00f3n confidencial."
}
],
"id": "CVE-2022-31630",
"lastModified": "2024-04-02T03:15:07.973",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.2,
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"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"
}
]
},
"published": "2022-11-14T07:15:09.467",
"references": [
{
"source": "security@php.net",
"tags": [
"Exploit",
"Issue Tracking",
"Patch",
"Vendor Advisory"
],
"url": "https://bugs.php.net/bug.php?id=81739"
}
],
"sourceIdentifier": "security@php.net",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-125"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-131"
},
{
"lang": "en",
"value": "CWE-190"
}
],
"source": "security@php.net",
"type": "Secondary"
}
]
}
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.