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Add CVE-2021-39220 for GHSA-6q9v-wm8r-rcv5

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Add CVE-2021-39220 for GHSA-6q9v-wm8r-rcv5
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advisory-db[bot] 2021-10-25 18:54:18 +00:00 committed by GitHub
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2021/39xxx/CVE-2021-39220.json
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{
"data_type": "CVE",
"data_format": "MITRE",
"data_version": "4.0",
"CVE_data_meta": {
"ASSIGNER": "security-advisories@github.com",
"ID": "CVE-2021-39220",
"ASSIGNER": "cve@mitre.org",
"STATE": "RESERVED"
"STATE": "PUBLIC",
"TITLE": "Bypass of image blocking in Nextcloud Mail"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "security-advisories",
"version": {
"version_data": [
{
"version_value": "< 1.10.4, < 1.11.0"
}
]
}
}
]
},
"vendor_name": "nextcloud"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
"value": "Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommended that the Nextcloud Mail application is upgraded to 1.10.4 or 1.11.0. There are no known workarounds aside from upgrading."
}
]
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-20: Improper Input Validation"
}
]
},
{
"description": [
{
"lang": "eng",
"value": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5",
"refsource": "CONFIRM",
"url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5"
},
{
"name": "https://github.com/nextcloud/mail/pull/5470",
"refsource": "MISC",
"url": "https://github.com/nextcloud/mail/pull/5470"
},
{
"name": "https://hackerone.com/reports/1308147",
"refsource": "MISC",
"url": "https://hackerone.com/reports/1308147"
}
]
},
"source": {
"advisory": "GHSA-6q9v-wm8r-rcv5",
"discovery": "UNKNOWN"
}
}