gsd-2021-43538
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2021-43538",
"description": "By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.",
"id": "GSD-2021-43538",
"references": [
"https://www.suse.com/security/cve/CVE-2021-43538.html",
"https://www.debian.org/security/2022/dsa-5034",
"https://www.debian.org/security/2021/dsa-5026",
"https://access.redhat.com/errata/RHSA-2021:5055",
"https://access.redhat.com/errata/RHSA-2021:5048",
"https://access.redhat.com/errata/RHSA-2021:5047",
"https://access.redhat.com/errata/RHSA-2021:5046",
"https://access.redhat.com/errata/RHSA-2021:5045",
"https://access.redhat.com/errata/RHSA-2021:5017",
"https://access.redhat.com/errata/RHSA-2021:5016",
"https://access.redhat.com/errata/RHSA-2021:5015",
"https://access.redhat.com/errata/RHSA-2021:5014",
"https://access.redhat.com/errata/RHSA-2021:5013",
"https://ubuntu.com/security/CVE-2021-43538",
"https://advisories.mageia.org/CVE-2021-43538.html",
"https://security.archlinux.org/CVE-2021-43538",
"https://linux.oracle.com/cve/CVE-2021-43538.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2021-43538"
],
"details": "By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.",
"id": "GSD-2021-43538",
"modified": "2023-12-13T01:23:26.547267Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "security@mozilla.org",
"ID": "CVE-2021-43538",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Thunderbird",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "91.4.0"
}
]
}
},
{
"product_name": "Firefox ESR",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "91.4.0"
}
]
}
},
{
"product_name": "Firefox",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "95"
}
]
}
}
]
},
"vendor_name": "Mozilla"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Missing fullscreen and pointer lock notification when requesting both"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-53/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2021-53/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-54/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2021-54/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-52/",
"refsource": "MISC",
"url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
},
{
"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739091",
"refsource": "MISC",
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739091"
},
{
"name": "DSA-5026",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2021/dsa-5026"
},
{
"name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
},
{
"name": "DSA-5034",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2022/dsa-5034"
},
{
"name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
},
{
"name": "GLSA-202202-03",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202202-03"
},
{
"name": "GLSA-202208-14",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/202208-14"
}
]
}
},
"mozilla.org": {
"CVE_data_meta": {
"ASSIGNER": "security@mozilla.org",
"ID": "CVE-2021-43538"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Firefox",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "95"
}
]
}
},
{
"product_name": "Firefox ESR",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "91.4.0"
}
]
}
},
{
"product_name": "Thunderbird",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_value": "91.4.0"
}
]
}
}
]
},
"vendor_name": "Mozilla"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Firefox \u003c 95, Firefox ESR \u003c 91.4.0, and Thunderbird \u003c 91.4.0."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Missing fullscreen and pointer lock notification when requesting both"
}
]
}
]
},
"references": {
"reference_data": [
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-53/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
},
{
"url": "https://www.mozilla.org/security/advisories/mfsa2021-54/"
},
{
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739091"
}
]
}
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "91.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "91.4.0",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*",
"cpe_name": [],
"versionEndExcluding": "95.0",
"vulnerable": true
}
],
"operator": "OR"
},
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*",
"cpe_name": [],
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "security@mozilla.org",
"ID": "CVE-2021-43538"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-362"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-52/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-54/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2021-54/"
},
{
"name": "https://www.mozilla.org/security/advisories/mfsa2021-53/",
"refsource": "MISC",
"tags": [
"Vendor Advisory"
],
"url": "https://www.mozilla.org/security/advisories/mfsa2021-53/"
},
{
"name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739091",
"refsource": "MISC",
"tags": [
"Issue Tracking",
"Permissions Required",
"Vendor Advisory"
],
"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1739091"
},
{
"name": "DSA-5026",
"refsource": "DEBIAN",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2021/dsa-5026"
},
{
"name": "[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html"
},
{
"name": "DSA-5034",
"refsource": "DEBIAN",
"tags": [
"Third Party Advisory"
],
"url": "https://www.debian.org/security/2022/dsa-5034"
},
{
"name": "[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html"
},
{
"name": "GLSA-202202-03",
"refsource": "GENTOO",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202202-03"
},
{
"name": "GLSA-202208-14",
"refsource": "GENTOO",
"tags": [
"Third Party Advisory"
],
"url": "https://security.gentoo.org/glsa/202208-14"
}
]
}
},
"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": 4.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 1.4
}
},
"lastModifiedDate": "2022-12-09T15:55Z",
"publishedDate": "2021-12-08T22:15Z"
}
}
}
Loading…
Loading…
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.