gsd-2021-3541
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.
Aliases
Aliases
{ GSD: { alias: "CVE-2021-3541", description: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", id: "GSD-2021-3541", references: [ "https://www.suse.com/security/cve/CVE-2021-3541.html", "https://access.redhat.com/errata/RHBA-2021:2854", "https://access.redhat.com/errata/RHSA-2021:2569", "https://ubuntu.com/security/CVE-2021-3541", "https://advisories.mageia.org/CVE-2021-3541.html", "https://security.archlinux.org/CVE-2021-3541", "https://access.redhat.com/errata/RHSA-2022:1389", "https://access.redhat.com/errata/RHSA-2022:1390", "https://linux.oracle.com/cve/CVE-2021-3541.html", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2021-3541", ], details: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", id: "GSD-2021-3541", modified: "2023-12-13T01:23:34.269854Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2021-3541", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "libxml2", version: { version_data: [ { version_value: "2.9.11", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "Denial of Service", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", refsource: "MISC", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", }, { name: "https://www.oracle.com/security-alerts/cpujan2022.html", refsource: "MISC", url: "https://www.oracle.com/security-alerts/cpujan2022.html", }, { name: "https://security.netapp.com/advisory/ntap-20210805-0007/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210805-0007/", }, ], }, }, "gitlab.com": { advisories: [ { affected_range: "<2.9.11", affected_versions: "All versions before 2.9.11", cvss_v2: "AV:N/AC:L/Au:S/C:N/I:N/A:P", cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", cwe_ids: [ "CWE-1035", "CWE-776", "CWE-937", ], date: "2022-03-01", description: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", fixed_versions: [ "2.9.12", ], identifier: "CVE-2021-3541", identifiers: [ "CVE-2021-3541", ], not_impacted: "All versions starting from 2.9.11", package_slug: "conan/libxml2", pubdate: "2021-07-09", solution: "Upgrade to version 2.9.12 or above.", title: "Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)", urls: [ "https://nvd.nist.gov/vuln/detail/CVE-2021-3541", "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", ], uuid: "a168f000-3862-4fc9-a9f9-946d58609158", }, { affected_range: "<1.11.4", affected_versions: "All versions before 1.11.4", cvss_v2: "AV:N/AC:L/Au:S/C:N/I:N/A:P", cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", cwe_ids: [ "CWE-1035", "CWE-937", ], date: "2022-03-01", description: "A flaw was found in libxml2. By exploiting an exponential entity expansion attack its possible bypassing all existing protection mechanisms and lead to a denial of service.", fixed_versions: [ "1.11.4", ], identifier: "CVE-2021-3541", identifiers: [ "CVE-2021-3541", ], not_impacted: "All versions starting from 1.11.4", package_slug: "gem/nokogiri", pubdate: "2021-07-09", solution: "Upgrade to version 1.11.4 or above.", title: "Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)", urls: [ "https://nvd.nist.gov/vuln/detail/CVE-2021-3541", "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", ], uuid: "471dd7bc-90f8-4d7d-b6e8-df068b6fc62f", }, { affected_range: "(,2.9.11)", affected_versions: "All versions before 2.9.11", cvss_v2: "AV:N/AC:L/Au:S/C:N/I:N/A:P", cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", cwe_ids: [ "CWE-1035", "CWE-776", "CWE-937", ], date: "2022-03-01", description: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", fixed_versions: [], identifier: "CVE-2021-3541", identifiers: [ "CVE-2021-3541", ], not_impacted: "", package_slug: "nuget/libxml2.vc140_xp.mt.static.x86", pubdate: "2021-07-09", solution: "Unfortunately, there is no solution available yet.", title: "Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')", urls: [ "https://nvd.nist.gov/vuln/detail/CVE-2021-3541", "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", "https://security.netapp.com/advisory/ntap-20210805-0007/", ], uuid: "3ade9067-0efe-4fbc-be90-03a68c5ae8ea", }, { affected_range: "(,2.9.11)", affected_versions: "All versions before 2.9.11", cvss_v2: "AV:N/AC:L/Au:S/C:N/I:N/A:P", cvss_v3: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", cwe_ids: [ "CWE-1035", "CWE-776", "CWE-937", ], date: "2022-03-01", description: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", fixed_versions: [], identifier: "CVE-2021-3541", identifiers: [ "CVE-2021-3541", ], not_impacted: "", package_slug: "nuget/libxml2", pubdate: "2021-07-09", solution: "Unfortunately, there is no solution available yet.", title: "Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)", urls: [ "https://nvd.nist.gov/vuln/detail/CVE-2021-3541", "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", ], uuid: "4f63f6a1-cf11-4aa9-82db-6cfa34f075ec", }, ], }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.9.11", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:redhat:jboss_core_services:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:clustered_data_ontap_antivirus_connector:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:manageability_software_development_kit:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:smi-s_provider:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:unix:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2021-3541", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "A flaw was found in libxml2. Exponential entity expansion attack its possible bypassing all existing protection mechanisms and leading to denial of service.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-776", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", refsource: "MISC", tags: [ "Issue Tracking", "Patch", "Third Party Advisory", ], url: "https://bugzilla.redhat.com/show_bug.cgi?id=1950515", }, { name: "https://security.netapp.com/advisory/ntap-20210805-0007/", refsource: "CONFIRM", tags: [ "Third Party Advisory", ], url: "https://security.netapp.com/advisory/ntap-20210805-0007/", }, { name: "https://www.oracle.com/security-alerts/cpujan2022.html", refsource: "MISC", tags: [ "Patch", "Third Party Advisory", ], url: "https://www.oracle.com/security-alerts/cpujan2022.html", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { accessComplexity: "LOW", accessVector: "NETWORK", authentication: "SINGLE", availabilityImpact: "PARTIAL", baseScore: 4, confidentialityImpact: "NONE", integrityImpact: "NONE", vectorString: "AV:N/AC:L/Au:S/C:N/I:N/A:P", version: "2.0", }, exploitabilityScore: 8, impactScore: 2.9, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, severity: "MEDIUM", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 6.5, baseSeverity: "MEDIUM", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "LOW", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, exploitabilityScore: 2.8, impactScore: 3.6, }, }, lastModifiedDate: "2022-03-01T18:25Z", publishedDate: "2021-07-09T17:15Z", }, }, }
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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.