{"id":"UBUNTU-CVE-2020-6070","details":"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.","modified":"2026-05-20T16:06:24.652181497Z","published":"2020-08-10T14:15:00Z","upstream":["CVE-2020-6070"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-6070"},{"type":"REPORT","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-6070"}],"affected":[{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-1","1.6.0-1","1.6.0-2","1.6.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.6.1-1"},{"binary_name":"libf2fs0","binary_version":"1.6.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0-1.1","1.10.0-1","1.11.0-1.1~18.04"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.11.0-1.1~18.04"},{"binary_name":"libf2fs-format4","binary_version":"1.11.0-1.1~18.04"},{"binary_name":"libf2fs5","binary_version":"1.11.0-1.1~18.04"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-1.1","1.11.0-1.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.11.0-1.1ubuntu1"},{"binary_name":"libf2fs-format4","binary_version":"1.11.0-1.1ubuntu1"},{"binary_name":"libf2fs5","binary_version":"1.11.0-1.1ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.14.0-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.16.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1.1","1.16.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.16.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2","1.16.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"f2fs-tools","binary_version":"1.16.0-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-6070.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}