{"id":"CVE-2019-12210","aliases":["DEBIAN-CVE-2019-12210","EUVD-2019-3855","GHSA-pxf2-5pmm-5r8f","SUSE-SU-2019:1749-1","SUSE-SU-2019:1750-1","UBUNTU-CVE-2019-12210","openSUSE-SU-2019:1708-1","openSUSE-SU-2019:1725-1","openSUSE-SU-2024:11145-1"],"status":"published","title":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using...","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02056,"percentile":0.81432,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2019-06-04T20:28:51Z","modified":"2026-10-20T13:39:47Z","fixes":[{"ecosystem":"Debian:12","package":"pam-u2f","fixed_in":["1.0.8-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pam-u2f","fixed_in":["1.0.8-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pam-u2f","fixed_in":["1.0.8-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pam-u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pam-u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pam-u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-1"}]}]},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP4","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-3.5.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Desktop 12 SP4","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-3.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-3.5.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server 12 SP4","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-3.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-3.5.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Server for SAP Applications 12 SP4","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-3.3.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-3.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-3.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP1","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-3.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP1","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-3.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-lp151.2.6.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-lp151.2.3.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.0","package":"libu2f-host","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6-lp150.10.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Leap 15.0","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.8-lp150.7.1"}]}],"bundled":3},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"pam_u2f","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.1-1.3"}]}],"bundled":3}],"products":[{"vendor":"yubico","product":"pam-u2f"}],"references":[{"url":"https://developers.yubico.com/pam-u2f/Release_Notes.html","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://github.com/Yubico/pam-u2f/commit/18b1914e32b74ff52000f10e97067e841e5fff62","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2019/06/05/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Exploit","Mailing List","Third Party Advisory","evidence"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00012.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00018.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12210"},{"url":"https://github.com/advisories/GHSA-pxf2-5pmm-5r8f"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-12210","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191749-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1124781","tags":["report"]},{"url":"https://bugzilla.suse.com/1128140","tags":["report"]},{"url":"https://bugzilla.suse.com/1135727","tags":["report"]},{"url":"https://bugzilla.suse.com/1135729","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20340","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12209","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-12210","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-9578","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20191750-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-12210","tags":["report"]},{"url":"https://www.openwall.com/lists/oss-security/2019/06/05/1","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-12210","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/NLLQFQYZPMUPPGSELE2DVQUEBTEZRB3U/#NLLQFQYZPMUPPGSELE2DVQUEBTEZRB3U","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7L2J54VOSWKWWHDQ3LUR6WDVPL2TE6XB/#7L2J54VOSWKWWHDQ3LUR6WDVPL2TE6XB","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-31924","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2019-12210","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2019-06-04T20:28:51Z","modified":"2024-08-04T23:17:38.208Z","updated_at":"2026-11-02T14:20:23.697579Z"}],"euvd":[{"id":"EUVD-2019-3855","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2019-06-04T20:28:51Z","modified":"2024-08-04T23:17:38Z","updated_at":"2026-11-03T02:40:46.843701Z"}],"ghsa":[{"id":"GHSA-pxf2-5pmm-5r8f","title":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using...","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2022-05-24T16:47:09Z","modified":"2024-04-04T00:51:20Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:55:52.724602Z"}],"nvd":[{"id":"CVE-2019-12210","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2019-06-04T21:29:00.827Z","modified":"2026-06-17T02:14:14.917Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:16.285679Z"}],"osv":[{"id":"CVE-2019-12210","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2019-06-04T21:29:00.827Z","modified":"2026-10-20T13:39:47.010571724Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:10.718934Z"},{"id":"DEBIAN-CVE-2019-12210","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"published","published":"2019-06-04T21:29:00.827Z","modified":"2026-09-21T07:01:46.34409611Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:31.467893Z"},{"id":"UBUNTU-CVE-2019-12210","description":"In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned. This leads to the file descriptor being inherited into the child process; the child process can then read from and write to it. This can leak sensitive information and also, if written to, be used to fill the disk or plant misinformation.","status":"withdrawn","published":"2019-06-04T21:29:00Z","modified":"2025-09-08T16:45:26Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:19.202697Z"},{"id":"openSUSE-SU-2019:1708-1","title":"Security update for libu2f-host, pam_u2f","description":"This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues:\n\nSecurity issues fixed for libu2f-host: \n\n- CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140).\n\nSecurity issues fixed for pam_u2f:\n\n- CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729).\n- CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-07-19T05:59:24Z","modified":"2026-02-04T03:34:09.058983Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2019:1725-1","title":"Security update for libu2f-host, pam_u2f","description":"This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues:\n\nSecurity issues fixed for libu2f-host: \n\n- CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140).\n\nSecurity issues fixed for pam_u2f:\n\n- CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729).\n- CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-07-19T15:59:26Z","modified":"2026-02-04T02:44:36.166528Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2024:11145-1","title":"pam_u2f-1.1.1-1.3 on GA media","description":"These are all security issues fixed in the pam_u2f-1.1.1-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:37:23.85028Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2019:1749-1","title":"Security update for libu2f-host","description":"This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues:\n\t  \nSecurity issues fixed for libu2f-host: \n\n- CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140).\n- CVE-2018-20340: Fixed an unchecked buffer, which could allow a buffer overflow \n  with a custom made malicious USB device (bsc#1124781).\n\nSecurity issues fixed for pam_u2f:\n\n- CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729).\n- CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).\n","status":"published","published":"2019-07-04T14:06:56Z","modified":"2026-02-04T04:38:13.599936Z","updated_at":"2026-11-02T15:53:46.44301Z"},{"id":"SUSE-SU-2019:1750-1","title":"Security update for libu2f-host, pam_u2f","description":"This update for libu2f-host and pam_u2f to version 1.0.8 fixes the following issues:\n\nSecurity issues fixed for libu2f-host: \n\n- CVE-2019-9578: Fixed a memory leak due to a wrong parse of init's response (bsc#1128140).\n\nSecurity issues fixed for pam_u2f:\n\n- CVE-2019-12209: Fixed an issue where symlinks in the user's directory were followed (bsc#1135729).\n- CVE-2019-12210: Fixed file descriptor leaks (bsc#1135727).\n","status":"published","published":"2019-07-04T14:07:36Z","modified":"2026-02-04T04:26:02.290757Z","updated_at":"2026-11-02T15:53:46.44301Z"}]}}