{ "CVE_data_meta": { "ASSIGNER": "security@ubuntu.com", "DATE_PUBLIC": "2019-06-17T00:00:00.000Z", "ID": "CVE-2019-11479", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux kernel", "version": { "version_data": [ { "version_affected": "<", "version_name": "4.4", "version_value": "4.4.182" }, { "version_affected": "<", "version_name": "4.9", "version_value": "4.9.182" }, { "version_affected": "<", "version_name": "4.14", "version_value": "4.14.127" }, { "version_affected": "<", "version_name": "4.19", "version_value": "4.19.52" }, { "version_affected": "<", "version_name": "5.1", "version_value": "5.1.11" } ] } } ] }, "vendor_name": "Linux" } ] } }, "credit": [ { "lang": "eng", "value": "Jonathan Looney from Netflix" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commits 967c05aee439e6e5d7d805e195b3a20ef5c433d6 and 5f3e2bf008c2221478101ee72f5cb4654b9fc363." } ] }, "generator": { "engine": "Vulnogram 0.0.7" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-405 Asymmetric Resource Consumption (Amplification)" } ] } ] }, "references": { "reference_data": [ { "refsource": "BID", "name": "108818", "url": "http://www.securityfocus.com/bid/108818" }, { "refsource": "CERT-VN", "name": "VU#905115", "url": "https://www.kb.cert.org/vuls/id/905115" }, { "refsource": "REDHAT", "name": "RHSA-2019:1594", "url": "https://access.redhat.com/errata/RHSA-2019:1594" }, { "refsource": "REDHAT", "name": "RHSA-2019:1602", "url": "https://access.redhat.com/errata/RHSA-2019:1602" }, { "refsource": "MLIST", "name": "[oss-security] 20190628 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/06/28/2" }, { "refsource": "UBUNTU", "name": "USN-4041-2", "url": "https://usn.ubuntu.com/4041-2/" }, { "refsource": "MLIST", "name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/07/06/3" }, { "refsource": "MLIST", "name": "[oss-security] 20190706 Re: linux-distros membership application - Microsoft", "url": "http://www.openwall.com/lists/oss-security/2019/07/06/4" }, { "refsource": "REDHAT", "name": "RHSA-2019:1699", "url": "https://access.redhat.com/errata/RHSA-2019:1699" }, { "refsource": "UBUNTU", "name": "USN-4041-1", "url": "https://usn.ubuntu.com/4041-1/" }, { "url": "https://www.oracle.com/security-alerts/cpujan2020.html", "refsource": "MISC", "name": "https://www.oracle.com/security-alerts/cpujan2020.html" }, { "url": "https://www.oracle.com/security-alerts/cpuoct2020.html", "refsource": "MISC", "name": "https://www.oracle.com/security-alerts/cpuoct2020.html" }, { "refsource": "MISC", "url": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md", "name": "https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md" }, { "refsource": "MISC", "url": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic", "name": "https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic" }, { "refsource": "MISC", "url": "https://access.redhat.com/security/vulnerabilities/tcpsack", "name": "https://access.redhat.com/security/vulnerabilities/tcpsack" }, { "refsource": "CONFIRM", "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193", "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193" }, { "refsource": "CONFIRM", "name": "https://www.synology.com/security/advisory/Synology_SA_19_28", "url": "https://www.synology.com/security/advisory/Synology_SA_19_28" }, { "refsource": "CONFIRM", "name": "https://security.netapp.com/advisory/ntap-20190625-0001/", "url": "https://security.netapp.com/advisory/ntap-20190625-0001/" }, { "refsource": "CONFIRM", "name": "https://kc.mcafee.com/corporate/index?page=content&id=SB10287", "url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10287" }, { "refsource": "CONFIRM", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf" }, { "refsource": "MISC", "name": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03", "url": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03" }, { "refsource": "CONFIRM", "name": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt", "url": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt" }, { "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5f3e2bf008c2221478101ee72f5cb4654b9fc363", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5f3e2bf008c2221478101ee72f5cb4654b9fc363" }, { "refsource": "MISC", "url": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=967c05aee439e6e5d7d805e195b3a20ef5c433d6", "name": "https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=967c05aee439e6e5d7d805e195b3a20ef5c433d6" }, { "refsource": "CONFIRM", "name": "https://support.f5.com/csp/article/K35421172", "url": "https://support.f5.com/csp/article/K35421172" }, { "refsource": "CONFIRM", "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0008", "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0008" }, { "refsource": "CONFIRM", "name": "https://support.f5.com/csp/article/K35421172?utm_source=f5support&utm_medium=RSS", "url": "https://support.f5.com/csp/article/K35421172?utm_source=f5support&utm_medium=RSS" }, { "refsource": "MISC", "name": "https://www.us-cert.gov/ics/advisories/icsma-20-170-06", "url": "https://www.us-cert.gov/ics/advisories/icsma-20-170-06" } ] }, "source": { "defect": [ "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1832286" ], "discovery": "UNKNOWN" } }