{"id":"CVE-2020-6070","aliases":["DEBIAN-CVE-2020-6070","EUVD-2020-27224","GHSA-5r6m-66fx-q4cm","MGASA-2020-0436","UBUNTU-CVE-2020-6070"],"status":"published","title":"An exploitable code execution vulnerability exists in the file system checking functionality of...","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","severity":{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.0173,"percentile":0.77767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-131"],"published":"2020-08-10T13:13:31Z","modified":"2026-10-26T12:02:05Z","fixes":[{"ecosystem":"Debian:12","package":"f2fs-tools","fixed_in":["1.14.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"f2fs-tools","fixed_in":["1.14.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"f2fs-tools","fixed_in":["1.14.0-1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"f2fs-tools","fixed_in":["1.14.0-1.mga7"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.14.0-1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-1","1.6.0-1","1.6.0-2","1.6.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0-1.1","1.10.0-1","1.11.0-1.1~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-1.1","1.11.0-1.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1.1","1.16.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2","1.16.0-2build1"]}],"products":[{"vendor":"f2fs-tools_project","product":"f2fs-tools"},{"vendor":"fedoraproject","product":"fedora"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-6070"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72/"},{"url":"https://github.com/advisories/GHSA-5r6m-66fx-q4cm"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-6070","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2020-0436.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=27413","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/3SZ4HMQKNI35NBWJI6XMJBGWPEKZRR72/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2020-6070","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-6070","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-6070","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T13:13:31Z","modified":"2024-08-04T08:47:40.941Z","cvss":[{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:52.268457Z"}],"euvd":[{"id":"EUVD-2020-27224","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T13:13:31Z","modified":"2024-08-04T08:47:40Z","cvss":[{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T03:08:04.689205Z"}],"ghsa":[{"id":"GHSA-5r6m-66fx-q4cm","title":"An exploitable code execution vulnerability exists in the file system checking functionality of...","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2022-05-24T17:25:13Z","modified":"2023-01-29T05:03:29Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T14:45:19.964025Z"}],"nvd":[{"id":"CVE-2020-6070","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T14:15:13.14Z","modified":"2026-06-17T03:22:38.057Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-131"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-6070","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T14:15:13.14Z","modified":"2026-04-16T04:43:22.885659789Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.936975Z"},{"id":"DEBIAN-CVE-2020-6070","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T14:15:13.14Z","modified":"2026-10-26T12:02:05.593058773Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-6070","description":"An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.","status":"published","published":"2020-08-10T14:15:00Z","modified":"2026-10-17T12:55:53.819962377Z","cvss":[{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:25.179924Z"},{"id":"MGASA-2020-0436","title":"Updated f2fs-tools packages fix security vulnerability","description":"An exploitable code execution vulnerability exists in the file system checking\nfunctionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a\nlogic flaw and out-of-bounds heap operations, resulting in code execution. An\nattacker can provide a malicious file to trigger this vulnerability\n(CVE-2020-6070).\n","status":"published","published":"2020-11-23T19:51:37Z","modified":"2026-04-16T04:44:23.502739134Z","updated_at":"2026-11-02T15:49:41.509337Z"}]}}