{"id":"CVE-2018-12178","aliases":["DEBIAN-CVE-2018-12178","EUVD-2018-4156","GHSA-85f7-wwh2-8hrc","SUSE-SU-2019:0579-1","SUSE-SU-2019:0580-1","SUSE-SU-2019:0581-1","UBUNTU-CVE-2018-12178","USN-4349-1","openSUSE-SU-2019:1083-1","openSUSE-SU-2024:11134-1"],"status":"published","title":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable...","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02271,"percentile":0.83189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2019-03-11T12:06:05Z","modified":"2026-10-23T18:02:58Z","fixes":[{"ecosystem":"Debian:12","package":"edk2","fixed_in":["0~20181115.85588389-3"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"edk2","fixed_in":["0~20181115.85588389-3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"edk2","fixed_in":["0~20181115.85588389-3"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"edk2","fixed_in":["0~20160408.ffea0a2c-2ubuntu0.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"edk2","fixed_in":["0~20180205.c0d9813c-2ubuntu0.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20181115.85588389-3"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20181115.85588389-3"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20181115.85588389-3"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP3","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1492060560.b6d11d7c46-4.20.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP3","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1492060560.b6d11d7c46-4.20.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Server Applications 15","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1510945757.b2662641d5-5.14.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP4","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1510945757.b2662641d5-3.8.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1510945757.b2662641d5-3.8.3"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1510945757.b2662641d5-3.8.3"}]}],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20160408.ffea0a2c-2ubuntu0.1"}]}],"versions":["0~20150106.5c2d456b-2","0~20160104.c2a892d7-1","0~20160408.ffea0a2c-2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20180205.c0d9813c-2ubuntu0.2"}]}],"versions":["0~20170911.5dfba97c-1","0~20171010.234dbcef-1","0~20171027.76fd5a66-1","0~20171205.a9212288-1","0~20180105.0bc94c74-1","0~20180205.c0d9813c-1","0~20180205.c0d9813c-2","0~20180205.c0d9813c-2ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20160408.ffea0a2c-2ubuntu0.1"}]}],"versions":["0~20150106.5c2d456b-2","0~20160104.c2a892d7-1","0~20160408.ffea0a2c-2"],"bundled":9},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"edk2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0~20180205.c0d9813c-2ubuntu0.2"}]}],"versions":["0~20170911.5dfba97c-1","0~20171010.234dbcef-1","0~20171027.76fd5a66-1","0~20171205.a9212288-1","0~20180105.0bc94c74-1","0~20180205.c0d9813c-1","0~20180205.c0d9813c-2","0~20180205.c0d9813c-2ubuntu0.1"],"bundled":9},{"source":"osv","ecosystem":"openSUSE:Leap 15.0","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2017+git1510945757.b2662641d5-lp150.4.13.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"ovmf","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"202105-3.4"}]}],"bundled":21}],"products":[{"vendor":"extensible firmware interface development kit (edk ii)","product":"extensible firmware interface development kit (edk ii)"},{"vendor":"tianocore","product":"edk_ii"}],"references":[{"url":"https://edk2-docs.gitbooks.io/security-advisory/content/dns-pack-size-check.html","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00046.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03912en_us","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://usn.ubuntu.com/4349-1/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-12178"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4ABTDKZK2G5XP6JCO3HXMPOA2NRTIYDZ/"},{"url":"https://github.com/advisories/GHSA-85f7-wwh2-8hrc"},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-12178","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20190579-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1127820","tags":["report"]},{"url":"https://bugzilla.suse.com/1127821","tags":["report"]},{"url":"https://bugzilla.suse.com/1127822","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12178","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12180","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3630","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20190580-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20190581-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-12178","tags":["report"]},{"url":"https://lists.01.org/pipermail/edk2-devel/2019-February/037251.html","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-4349-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-12178","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-12180","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-12181","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14558","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14559","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14563","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14575","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14586","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2019-14587","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/RBHHJFWMTAGCQFDWWVONGJIFVT7IEDVF/#RBHHJFWMTAGCQFDWWVONGJIFVT7IEDVF","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5731","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5732","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-0739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12181","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3613","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-0160","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-0161","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14553","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14558","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14559","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14562","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14563","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14575","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14584","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14586","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-14587","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28210","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28211","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-12178","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T19:19:31Z","modified":"2024-08-05T08:30:59.17Z","updated_at":"2026-11-02T14:35:06.320867Z"}],"euvd":[{"id":"EUVD-2018-4156","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T19:19:31Z","modified":"2024-08-05T08:30:59Z","updated_at":"2026-11-03T02:39:53.575925Z"}],"ghsa":[{"id":"GHSA-85f7-wwh2-8hrc","title":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable...","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2022-05-14T01:11:02Z","modified":"2023-02-02T05:03:13Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:51:35.560043Z"}],"nvd":[{"id":"CVE-2018-12178","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T20:29:03.38Z","modified":"2026-06-17T01:37:16.28Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:04:55.136632Z"}],"osv":[{"id":"CVE-2018-12178","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T20:29:03.38Z","modified":"2026-03-14T14:32:06.351962Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:07.934182Z"},{"id":"DEBIAN-CVE-2018-12178","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T20:29:03.38Z","modified":"2026-10-23T18:02:58.347795473Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:45:29.988046Z"},{"id":"UBUNTU-CVE-2018-12178","description":"Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.","status":"published","published":"2019-03-27T20:29:00Z","modified":"2026-02-04T04:03:52.420606Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:54:16.544091Z"},{"id":"openSUSE-SU-2019:1083-1","title":"Security update for ovmf","description":"This update for ovmf fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead \n  to memory read/write overrun (bsc#1127820).\n- CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).\n- CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to \n  bypass the chain of trust checks (bsc#1127822).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-03-30T05:45:46Z","modified":"2026-02-04T03:45:05.842549Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2024:11134-1","title":"ovmf-202105-3.4 on GA media","description":"These are all security issues fixed in the ovmf-202105-3.4 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:25:46.183484Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2019:0579-1","title":"Security update for ovmf","description":"This update for ovmf fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead \n  to memory read/write overrun (bsc#1127820).\n- CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).\n- CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to \n  bypass the chain of trust checks (bsc#1127822).\t  \n","status":"published","published":"2019-03-11T12:06:05Z","modified":"2026-02-04T02:43:48.072324Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0580-1","title":"Security update for ovmf","description":"This update for ovmf fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead \n  to memory read/write overrun (bsc#1127820).\n- CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).\n- CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to \n  bypass the chain of trust checks (bsc#1127822).\n","status":"published","published":"2019-03-11T12:06:24Z","modified":"2026-02-04T03:18:58.236395Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"SUSE-SU-2019:0581-1","title":"Security update for ovmf","description":"This update for ovmf fixes the following issues:\n\nSecurity issues fixed: \n\n- CVE-2018-12180: Fixed a buffer overflow in BlockIo service, which could lead \n  to memory read/write overrun (bsc#1127820).\n- CVE-2018-12178: Fixed an improper DNS check upon receiving a new DNS packet (bsc#1127821).\n- CVE-2018-3630: Fixed a logic error in FV parsing which could allow a local attacker to \n  bypass the chain of trust checks (bsc#1127822).\t  \n","status":"published","published":"2019-03-11T12:57:45Z","modified":"2026-02-04T02:15:04.326939Z","updated_at":"2026-11-02T15:53:45.926331Z"},{"id":"USN-4349-1","title":"edk2 vulnerabilities","description":"A buffer overflow was discovered in the network stack. An unprivileged user\ncould potentially enable escalation of privilege and/or denial of service.\nThis issue was already fixed in a previous release for 18.04 LTS and 19.10.\n(CVE-2018-12178)\n\nA buffer overflow was discovered in BlockIo service. An unauthenticated user\ncould potentially enable escalation of privilege, information disclosure and/or\ndenial of service. This issue was already fixed in a previous release for 18.04\nLTS and 19.10. (CVE-2018-12180)\n\nA stack overflow was discovered in bmp. An unprivileged user\ncould potentially enable denial of service or elevation of privilege via\nlocal access. This issue was already fixed in a previous release for 18.04\nLTS and 19.10. (CVE-2018-12181)\n\nIt was discovered that memory was not cleared before free that could lead\nto potential password leak. (CVE-2019-14558)\n\nA memory leak was discovered in ArpOnFrameRcvdDpc. An attacker could\npossibly use this issue to cause a denial of service or other unspecified\nimpact. (CVE-2019-14559)\n\nAn integer overflow was discovered in MdeModulePkg/PiDxeS3BootScriptLib.\nAn attacker could possibly use this issue to cause a denial of service or\nother unspecified impact. (CVE-2019-14563)\n\nIt was discovered that the affected version doesn't properly check whether an\nunsigned EFI file should be allowed or not. An attacker could possibly load\nunsafe content by bypassing the verification. (CVE-2019-14575)\n\nIt was discovered that original configuration runtime memory is freed, but it\nis still exposed to the OS runtime. (CVE-2019-14586)\n\nA double-unmap was discovered in TRB creation. An attacker could use it to\ncause a denial of service or other unspecified impact. (CVE-2019-14587)\n","status":"published","published":"2020-04-30T22:54:56Z","modified":"2026-02-10T04:41:49Z","updated_at":"2026-11-02T16:58:14.547547Z"}]}}