CVE-2023-29539
Full vulnerability record from the local CVENow database.
Description
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2023-06-02 17:15:12.607000
Last modified
2026-10-23 23:10:00.157000
View original CVE JSON
{
"id": "CVE-2023-29539",
"sourceIdentifier": "[email protected]",
"published": "2023-06-02T17:15:12.607",
"lastModified": "2026-10-23T23:10:00.157",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10."
},
{
"lang": "es",
"value": "Al manejar la directiva filename en el encabezado Content-Disposition, el nombre de archivo se truncaría si el nombre de archivo contenía un carácter NULO. Esto podría haber llevado a ataques de descarga de archivos reflejados, engañando potencialmente a los usuarios para que instalaran malware. Esta vulnerabilidad afecta a Firefox < 112, Focus para Android < 112, Firefox ESR anterior a 102.10, Firefox para Android < 112 y Thunderbird anterior a 102.10."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
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"product": "Firefox",
"versions": [
{
"version": "unspecified",
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},
{
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},
{
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{
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{
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"status": "affected"
}
]
}
]
}
],
"metrics": {
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"source": "[email protected]",
"type": "Primary",
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"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"ssvcV203": [
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"id": "CVE-2023-29539",
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{
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{
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"role": "CISA Coordinator",
"version": "2.0.3"
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},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
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"references": [
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"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1784348",
"source": "[email protected]",
"tags": [
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]
},
{
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}