gsd-2020-6821
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird < 68.7.0, Firefox ESR < 68.7, and Firefox < 75.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-6821",
"description": "When reading from areas partially or fully outside the source resource with WebGL\u0027s \u003ccode\u003ecopyTexSubImage\u003c/code\u003e method, the specification requires the returned values be zero. Previously, this memory was uninitialized, leading to potentially sensitive data disclosure. This vulnerability affects Thunderbird \u003c 68.7.0, Firefox ESR \u003c 68.7, and Firefox \u003c 75.",
"id": "GSD-2020-6821",
"references": [
"https://www.suse.com/security/cve/CVE-2020-6821.html",
"https://www.debian.org/security/2020/dsa-4656",
"https://www.debian.org/security/2020/dsa-4655",
"https://access.redhat.com/errata/RHSA-2020:1496",
"https://access.redhat.com/errata/RHSA-2020:1495",
"https://access.redhat.com/errata/RHSA-2020:1489",
"https://access.redhat.com/errata/RHSA-2020:1488",
"https://access.redhat.com/errata/RHSA-2020:1429",
"https://access.redhat.com/errata/RHSA-2020:1420",
"https://access.redhat.com/errata/RHSA-2020:1406",
"https://access.redhat.com/errata/RHSA-2020:1404",
"https://ubuntu.com/security/CVE-2020-6821",
"https://advisories.mageia.org/CVE-2020-6821.html",
"https://security.archlinux.org/CVE-2020-6821",
"https://linux.oracle.com/cve/CVE-2020-6821.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
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"id": "GSD-2020-6821",
"modified": "2023-12-13T01:21:55.129451Z",
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"cvssV2": {
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"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"version": "2.0"
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"exploitabilityScore": 10.0,
"impactScore": 2.9,
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"severity": "MEDIUM",
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"baseScore": 7.5,
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
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},
"lastModifiedDate": "2021-07-21T11:39Z",
"publishedDate": "2020-04-24T16:15Z"
}
}
}
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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.