gsd-2021-43537
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Aliases
Aliases
{ GSD: { alias: "CVE-2021-43537", description: "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.", id: "GSD-2021-43537", references: [ "https://www.suse.com/security/cve/CVE-2021-43537.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-2021-43537", "https://advisories.mageia.org/CVE-2021-43537.html", "https://security.archlinux.org/CVE-2021-43537", "https://linux.oracle.com/cve/CVE-2021-43537.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2021-43537", ], details: "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.", id: "GSD-2021-43537", modified: "2023-12-13T01:23:26.125650Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "security@mozilla.org", ID: "CVE-2021-43537", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "91.4.0", }, ], }, }, { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "91.4.0", }, ], }, }, { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "95", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Heap buffer overflow when using structured clone", }, ], }, ], }, 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=1738237", refsource: "MISC", url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1738237", }, { 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-2021-43537", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "95", }, ], }, }, { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "91.4.0", }, ], }, }, { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "91.4.0", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Firefox < 95, Firefox ESR < 91.4.0, and Thunderbird < 91.4.0.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Heap buffer overflow when using structured clone", }, ], }, ], }, 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=1738237", }, ], }, }, "nvd.nist.gov": { cve: { configurations: [ { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", matchCriteriaId: "83D69E34-EB94-49ED-9FA1-F68400971726", versionEndExcluding: "95.0", vulnerable: true, }, { criteria: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", matchCriteriaId: "F90A171C-1670-4EBA-9DE0-E31E8F3CD0FA", versionEndExcluding: "91.4.0", vulnerable: true, }, { criteria: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", matchCriteriaId: "6F0BE95D-5BE5-49F7-92BA-CF3A3920D447", versionEndExcluding: "91.4.0", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, { nodes: [ { cpeMatch: [ { criteria: "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", matchCriteriaId: "DEECE5FC-CACF-4496-A3E7-164736409252", vulnerable: true, }, { criteria: "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", matchCriteriaId: "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", vulnerable: true, }, { criteria: "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", matchCriteriaId: "FA6FEEC2-9F11-4643-8827-749718254FED", vulnerable: true, }, ], negate: false, operator: "OR", }, ], }, ], descriptions: [ { lang: "en", value: "An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.", }, { lang: "es", value: "Una conversión de tipo incorrecta de los tamaños de enteros de 64 bits a 32 bits permitía a un atacante corromper la memoria, conllevando a un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0, y Firefox versiones anteriores a 95", }, ], id: "CVE-2021-43537", lastModified: "2024-02-02T03:05:31.560", metrics: { cvssMetricV2: [ { acInsufInfo: false, baseSeverity: "MEDIUM", cvssData: { accessComplexity: "MEDIUM", 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", }, exploitabilityScore: 8.6, impactScore: 6.4, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, source: "nvd@nist.gov", type: "Primary", userInteractionRequired: true, }, ], cvssMetricV31: [ { cvssData: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 8.8, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "REQUIRED", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 2.8, impactScore: 5.9, source: "nvd@nist.gov", type: "Primary", }, ], }, published: "2021-12-08T22:15:09.620", references: [ { source: "security@mozilla.org", tags: [ "Issue Tracking", "Vendor Advisory", ], url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1738237", }, { source: "security@mozilla.org", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html", }, { source: "security@mozilla.org", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html", }, { source: "security@mozilla.org", tags: [ "Third Party Advisory", ], url: "https://security.gentoo.org/glsa/202202-03", }, { source: "security@mozilla.org", tags: [ "Third Party Advisory", ], url: "https://security.gentoo.org/glsa/202208-14", }, { source: "security@mozilla.org", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://www.debian.org/security/2021/dsa-5026", }, { source: "security@mozilla.org", tags: [ "Mailing List", "Third Party Advisory", ], url: "https://www.debian.org/security/2022/dsa-5034", }, { source: "security@mozilla.org", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-52/", }, { source: "security@mozilla.org", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-53/", }, { source: "security@mozilla.org", tags: [ "Vendor Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2021-54/", }, ], sourceIdentifier: "security@mozilla.org", vulnStatus: "Analyzed", weaknesses: [ { description: [ { lang: "en", value: "CWE-704", }, ], source: "nvd@nist.gov", type: "Primary", }, ], }, }, }, }
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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.