gsd-2021-43542
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-43542", "description": "Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.", "id": "GSD-2021-43542", "references": [ "https://www.suse.com/security/cve/CVE-2021-43542.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-2021-43542", "https://advisories.mageia.org/CVE-2021-43542.html", "https://security.archlinux.org/CVE-2021-43542", "https://linux.oracle.com/cve/CVE-2021-43542.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-43542" ], "details": "Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird \u003c 91.4.0, Firefox ESR \u003c 91.4.0, and Firefox \u003c 95.", "id": "GSD-2021-43542", "modified": "2023-12-13T01:23:26.508345Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security@mozilla.org", "ID": "CVE-2021-43542", "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": "Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. 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": "XMLHttpRequest error codes could have leaked the existence of an external protocol handler" } ] } ] }, "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=1723281", "refsource": "MISC", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1723281" }, { "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-2021-43542" }, "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": "Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. 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": "XMLHttpRequest error codes could have leaked the existence of an external protocol handler" } ] } ] }, "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=1723281" } ] } }, "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-2021-43542" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. 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-209" } ] } ] }, "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=1723281", "refsource": "MISC", "tags": [ "Issue Tracking", "Permissions Required", "Vendor Advisory" ], "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1723281" }, { "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": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/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": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } }, "lastModifiedDate": "2022-12-09T15:38Z", "publishedDate": "2021-12-08T22:15Z" } } }
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Sightings
Author | Source | Type | Date |
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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.