gsd-2020-27827
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
{ GSD: { alias: "CVE-2020-27827", description: "A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.", id: "GSD-2020-27827", references: [ "https://www.suse.com/security/cve/CVE-2020-27827.html", "https://www.debian.org/security/2021/dsa-4836", "https://access.redhat.com/errata/RHSA-2021:2456", "https://access.redhat.com/errata/RHSA-2021:2077", "https://access.redhat.com/errata/RHSA-2021:1051", "https://access.redhat.com/errata/RHSA-2021:1050", "https://access.redhat.com/errata/RHSA-2021:0976", "https://access.redhat.com/errata/RHSA-2021:0837", "https://access.redhat.com/errata/RHSA-2021:0835", "https://access.redhat.com/errata/RHSA-2021:0834", "https://access.redhat.com/errata/RHSA-2021:0497", "https://ubuntu.com/security/CVE-2020-27827", "https://security.archlinux.org/CVE-2020-27827", ], }, gsd: { metadata: { exploitCode: "unknown", remediation: "unknown", reportConfidence: "confirmed", type: "vulnerability", }, osvSchema: { aliases: [ "CVE-2020-27827", ], details: "A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.", id: "GSD-2020-27827", modified: "2023-12-13T01:22:11.429575Z", schema_version: "1.4.0", }, }, namespaces: { "cve.org": { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2020-27827", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "lldp/openvswitch", version: { version_data: [ { version_value: "lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9", }, ], }, }, ], }, 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 multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "CWE-400", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1921438", refsource: "MISC", url: "https://bugzilla.redhat.com/show_bug.cgi?id=1921438", }, { name: "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html", refsource: "MISC", url: "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html", }, { name: "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf", refsource: "CONFIRM", url: "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf", }, { name: "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07", refsource: "MISC", url: "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07", }, { name: "FEDORA-2023-88991d2713", refsource: "FEDORA", url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/", }, { name: "FEDORA-2023-c0c184a019", refsource: "FEDORA", url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/", }, { name: "FEDORA-2023-3e4feeadec", refsource: "FEDORA", url: "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/", }, { name: "GLSA-202311-16", refsource: "GENTOO", url: "https://security.gentoo.org/glsa/202311-16", }, ], }, }, "nvd.nist.gov": { configurations: { CVE_data_version: "4.0", nodes: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "1.0.8", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.6.9", versionStartIncluding: "2.6.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.7.12", versionStartIncluding: "2.7.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.8.10", versionStartIncluding: "2.8.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.9.8", versionStartIncluding: "2.9.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.10.6", versionStartIncluding: "2.10.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.11.5", versionStartIncluding: "2.11.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.12.2", versionStartIncluding: "2.12.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.13.2", versionStartIncluding: "2.13.0", vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.14.1", versionStartIncluding: "2.14.0", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, { cpe23Uri: "cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "17", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_hmi_unified_comfort_panels:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1243-1_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1243-1:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1243-8_irc_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1243-8_irc:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1542sp-1_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1542sp-1:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1542sp-1_irc_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1542sp-1_irc:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1543-1:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1543sp-1_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1543sp-1:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:simatic_net_cp_1545-1:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:tim_1531_irc_firmware:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.2", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:tim_1531_irc:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, { children: [ { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:o:siemens:sinumerik_one_firmware:*:*:*:*:*:*:*:*", cpe_name: [], versionEndExcluding: "2.0.1", vulnerable: true, }, ], operator: "OR", }, { children: [], cpe_match: [ { cpe23Uri: "cpe:2.3:h:siemens:sinumerik_one:-:*:*:*:*:*:*:*", cpe_name: [], vulnerable: false, }, ], operator: "OR", }, ], cpe_match: [], operator: "AND", }, ], }, cve: { CVE_data_meta: { ASSIGNER: "secalert@redhat.com", ID: "CVE-2020-27827", }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "en", value: "A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "en", value: "CWE-400", }, ], }, ], }, references: { reference_data: [ { name: "https://bugzilla.redhat.com/show_bug.cgi?id=1921438", refsource: "MISC", tags: [ "Issue Tracking", "Mitigation", "Patch", "Third Party Advisory", ], url: "https://bugzilla.redhat.com/show_bug.cgi?id=1921438", }, { name: "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html", refsource: "MISC", tags: [ "Mailing List", "Mitigation", "Vendor Advisory", ], url: "https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html", }, { name: "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf", refsource: "CONFIRM", tags: [ "Patch", "Third Party Advisory", ], url: "https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf", }, { name: "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07", refsource: "MISC", tags: [ "Third Party Advisory", "US Government Resource", ], url: "https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07", }, { name: "FEDORA-2023-88991d2713", refsource: "", tags: [], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/", }, { name: "FEDORA-2023-c0c184a019", refsource: "", tags: [], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/", }, { name: "FEDORA-2023-3e4feeadec", refsource: "", tags: [], url: "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/", }, { name: "GLSA-202311-16", refsource: "", tags: [], url: "https://security.gentoo.org/glsa/202311-16", }, ], }, }, impact: { baseMetricV2: { acInsufInfo: false, cvssV2: { accessComplexity: "MEDIUM", accessVector: "NETWORK", authentication: "NONE", availabilityImpact: "COMPLETE", baseScore: 7.1, confidentialityImpact: "NONE", integrityImpact: "NONE", vectorString: "AV:N/AC:M/Au:N/C:N/I:N/A:C", version: "2.0", }, exploitabilityScore: 8.6, impactScore: 6.9, obtainAllPrivilege: false, obtainOtherPrivilege: false, obtainUserPrivilege: false, severity: "HIGH", userInteractionRequired: false, }, baseMetricV3: { cvssV3: { attackComplexity: "LOW", attackVector: "NETWORK", availabilityImpact: "HIGH", baseScore: 7.5, baseSeverity: "HIGH", confidentialityImpact: "NONE", integrityImpact: "NONE", privilegesRequired: "NONE", scope: "UNCHANGED", userInteraction: "NONE", vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", version: "3.1", }, exploitabilityScore: 3.9, impactScore: 3.6, }, }, lastModifiedDate: "2023-11-26T11:15Z", publishedDate: "2021-03-18T17:15Z", }, }, }
Loading…
Loading…
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.