gsd-2021-38506
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
Aliases
Aliases
{ GSD: { alias: "CVE-2021-38506", description: "Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", id: "GSD-2021-38506", references: [ "https://www.suse.com/security/cve/CVE-2021-38506.html", "https://www.debian.org/security/2022/dsa-5034", "https://www.debian.org/security/2021/dsa-5026", "https://access.redhat.com/errata/RHSA-2021:4607", "https://access.redhat.com/errata/RHSA-2021:4605", "https://access.redhat.com/errata/RHSA-2021:4134", "https://access.redhat.com/errata/RHSA-2021:4133", "https://access.redhat.com/errata/RHSA-2021:4132", "https://access.redhat.com/errata/RHSA-2021:4130", "https://access.redhat.com/errata/RHSA-2021:4123", "https://access.redhat.com/errata/RHSA-2021:4116", "https://ubuntu.com/security/CVE-2021-38506", "https://advisories.mageia.org/CVE-2021-38506.html", "https://security.archlinux.org/CVE-2021-38506", "https://linux.oracle.com/cve/CVE-2021-38506.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2021-38506", ], details: "Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", id: "GSD-2021-38506", modified: "2023-12-13T01:23:18.092739Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "security@mozilla.org", ID: "CVE-2021-38506", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "94", }, ], }, }, { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "91.3", }, ], }, }, { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "91.3", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Firefox could be coaxed into going into fullscreen mode without notification or warning", }, ], }, ], }, references: { reference_data: [ { name: "https://www.mozilla.org/security/advisories/mfsa2021-49/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2021-49/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2021-50/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2021-50/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2021-48/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2021-48/", }, { name: "https://bugzilla.mozilla.org/show_bug.cgi?id=1730750", refsource: "MISC", url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1730750", }, { 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-2021-38506", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "91.3", }, ], }, }, { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "91.3", }, ], }, }, { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "94", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Thunderbird < 91.3, Firefox ESR < 91.3, and Firefox < 94.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Firefox could be coaxed into going into fullscreen mode without notification or warning", }, ], }, ], }, references: { reference_data: [ { url: "https://www.mozilla.org/security/advisories/mfsa2021-48/", }, { url: "https://www.mozilla.org/security/advisories/mfsa2021-50/", }, { url: "https://www.mozilla.org/security/advisories/mfsa2021-49/", }, { url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1730750", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "91.3.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "91.3.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "94.0", 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-2021-38506", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-1021", }, ], }, ], }, references: { reference_data: [ { name: "https://www.mozilla.org/security/advisories/mfsa2021-50/", refsource: "MISC", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-50/", }, { name: "https://bugzilla.mozilla.org/show_bug.cgi?id=1730750", refsource: "MISC", tags: [ "Issue Tracking", "Permissions Required", "Vendor Advisory", ], url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1730750", }, { name: "https://www.mozilla.org/security/advisories/mfsa2021-49/", refsource: "MISC", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-49/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2021-48/", refsource: "MISC", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-48/", }, { 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: "2022-12-09T15:31Z", publishedDate: "2021-12-08T22:15Z", }, }, }
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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.