gsd-2021-23984
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-23984",
"description": "A malicious extension could have opened a popup window lacking an address bar. The title of the popup lacking an address bar should not be fully controllable, but in this situation was. This could have been used to spoof a website and attempt to trick the user into providing credentials. This vulnerability affects Firefox ESR \u003c 78.9, Firefox \u003c 87, and Thunderbird \u003c 78.9.",
"id": "GSD-2021-23984",
"references": [
"https://www.suse.com/security/cve/CVE-2021-23984.html",
"https://www.debian.org/security/2021/dsa-4876",
"https://www.debian.org/security/2021/dsa-4874",
"https://access.redhat.com/errata/RHSA-2021:0996",
"https://access.redhat.com/errata/RHSA-2021:0995",
"https://access.redhat.com/errata/RHSA-2021:0994",
"https://access.redhat.com/errata/RHSA-2021:0993",
"https://access.redhat.com/errata/RHSA-2021:0992",
"https://access.redhat.com/errata/RHSA-2021:0991",
"https://access.redhat.com/errata/RHSA-2021:0990",
"https://access.redhat.com/errata/RHSA-2021:0989",
"https://ubuntu.com/security/CVE-2021-23984",
"https://advisories.mageia.org/CVE-2021-23984.html",
"https://security.archlinux.org/CVE-2021-23984",
"https://linux.oracle.com/cve/CVE-2021-23984.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
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"id": "GSD-2021-23984",
"modified": "2023-12-13T01:23:29.776207Z",
"schema_version": "1.4.0"
}
},
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},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-12/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2021-12/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-11/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2021-11/"
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},
"nvd.nist.gov": {
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"nodes": [
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"cpe_match": [
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"versionEndExcluding": "87.0",
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{
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},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 4.3,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 8.6,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": true
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
},
"lastModifiedDate": "2021-08-06T18:18Z",
"publishedDate": "2021-03-31T14:15Z"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- 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.