gsd-2020-12387
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
Aliases
Aliases
{ GSD: { alias: "CVE-2020-12387", description: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.", id: "GSD-2020-12387", references: [ "https://www.suse.com/security/cve/CVE-2020-12387.html", "https://www.debian.org/security/2020/dsa-4683", "https://www.debian.org/security/2020/dsa-4678", "https://access.redhat.com/errata/RHSA-2020:2050", "https://access.redhat.com/errata/RHSA-2020:2049", "https://access.redhat.com/errata/RHSA-2020:2048", "https://access.redhat.com/errata/RHSA-2020:2047", "https://access.redhat.com/errata/RHSA-2020:2046", "https://access.redhat.com/errata/RHSA-2020:2037", "https://access.redhat.com/errata/RHSA-2020:2036", "https://access.redhat.com/errata/RHSA-2020:2033", "https://access.redhat.com/errata/RHSA-2020:2032", "https://access.redhat.com/errata/RHSA-2020:2031", "https://ubuntu.com/security/CVE-2020-12387", "https://advisories.mageia.org/CVE-2020-12387.html", "https://security.archlinux.org/CVE-2020-12387", "https://linux.oracle.com/cve/CVE-2020-12387.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2020-12387", ], details: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.", id: "GSD-2020-12387", modified: "2023-12-13T01:21:49.786234Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "security@mozilla.org", ID: "CVE-2020-12387", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "68.8", }, ], }, }, { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "76", }, ], }, }, { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "68.8.0", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Use-after-free during worker shutdown", }, ], }, ], }, references: { reference_data: [ { name: "https://www.mozilla.org/security/advisories/mfsa2020-18/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2020-18/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2020-16/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2020-16/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2020-17/", refsource: "MISC", url: "https://www.mozilla.org/security/advisories/mfsa2020-17/", }, { name: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345", refsource: "MISC", url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345", }, { name: "USN-4373-1", refsource: "UBUNTU", url: "https://usn.ubuntu.com/4373-1/", }, { name: "https://security.gentoo.org/glsa/202005-03", refsource: "MISC", url: "https://security.gentoo.org/glsa/202005-03", }, { name: "https://security.gentoo.org/glsa/202005-04", refsource: "MISC", url: "https://security.gentoo.org/glsa/202005-04", }, ], }, }, "mozilla.org": { CVE_data_meta: { ASSIGNER: "security@mozilla.org", ID: "CVE-2020-12387", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "Firefox ESR", version: { version_data: [ { version_affected: "<", version_value: "68.8", }, ], }, }, { product_name: "Thunderbird", version: { version_data: [ { version_affected: "<", version_value: "68.8.0", }, ], }, }, { product_name: "Firefox", version: { version_data: [ { version_affected: "<", version_value: "76", }, ], }, }, ], }, vendor_name: "Mozilla", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Thunderbird < 68.8.0, and Firefox < 76.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Use-after-free during worker shutdown", }, ], }, ], }, references: { reference_data: [ { url: "https://www.mozilla.org/security/advisories/mfsa2020-16/", }, { url: "https://www.mozilla.org/security/advisories/mfsa2020-18/", }, { url: "https://www.mozilla.org/security/advisories/mfsa2020-17/", }, { url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "76.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "68.8.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "68.8.0", vulnerable: true, }, ], operator: "OR", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "security@mozilla.org", ID: "CVE-2020-12387", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-362", }, { lang: "en", value: "CWE-416", }, ], }, ], }, references: { reference_data: [ { name: "https://www.mozilla.org/security/advisories/mfsa2020-17/", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2020-17/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2020-18/", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2020-18/", }, { name: "https://www.mozilla.org/security/advisories/mfsa2020-16/", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://www.mozilla.org/security/advisories/mfsa2020-16/", }, { name: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345", refsource: "MISC", tags: [ "Issue Tracking", "Permissions Required", ], url: "https://bugzilla.mozilla.org/show_bug.cgi?id=1545345", }, { name: "USN-4373-1", refsource: "UBUNTU", tags: [ "Broken Link", ], url: "https://usn.ubuntu.com/4373-1/", }, { name: "https://security.gentoo.org/glsa/202005-03", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://security.gentoo.org/glsa/202005-03", }, { name: "https://security.gentoo.org/glsa/202005-04", refsource: "MISC", tags: [ "Third Party Advisory", ], url: "https://security.gentoo.org/glsa/202005-04", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { 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, severity: "MEDIUM", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { attackComplexity: "HIGH", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 8.1, baseSeverity: "HIGH", confidentialityImpact: "HIGH", integrityImpact: "HIGH", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", version: "3.1", }, exploitabilityScore: 2.2, impactScore: 5.9, }, }, lastModifiedDate: "2021-12-14T20:23Z", publishedDate: "2020-05-26T18:15Z", }, }, }
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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.