gsd-2020-12387
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-12387",
"description": "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR \u003c 68.8, Firefox \u003c 76, and Thunderbird \u003c 68.8.0.",
"id": "GSD-2020-12387",
"references": [
"https://www.suse.com/security/cve/CVE-2020-12387.html",
"https://www.debian.org/security/2020/dsa-4683",
"https://www.debian.org/security/2020/dsa-4678",
"https://access.redhat.com/errata/RHSA-2020:2050",
"https://access.redhat.com/errata/RHSA-2020:2049",
"https://access.redhat.com/errata/RHSA-2020:2048",
"https://access.redhat.com/errata/RHSA-2020:2047",
"https://access.redhat.com/errata/RHSA-2020:2046",
"https://access.redhat.com/errata/RHSA-2020:2037",
"https://access.redhat.com/errata/RHSA-2020:2036",
"https://access.redhat.com/errata/RHSA-2020:2033",
"https://access.redhat.com/errata/RHSA-2020:2032",
"https://access.redhat.com/errata/RHSA-2020:2031",
"https://ubuntu.com/security/CVE-2020-12387",
"https://advisories.mageia.org/CVE-2020-12387.html",
"https://security.archlinux.org/CVE-2020-12387",
"https://linux.oracle.com/cve/CVE-2020-12387.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"modified": "2023-12-13T01:21:49.786234Z",
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"impact": {
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"acInsufInfo": false,
"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 6.8,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"exploitabilityScore": 8.6,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "MEDIUM",
"userInteractionRequired": false
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"attackVector": "NETWORK",
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"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"exploitabilityScore": 2.2,
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},
"lastModifiedDate": "2021-12-14T20:23Z",
"publishedDate": "2020-05-26T18:15Z"
}
}
}
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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.