{"id":"UBUNTU-CVE-2025-14282","details":"A flaw was found in Dropbear. When running in multi-user mode and authenticating users, the dropbear ssh server does the socket forwardings requested by the remote client as root, only switching to the logged-in user upon spawning a shell or performing some operations like reading the user's files. With the recent ability of also using unix domain sockets as the forwarding destination any user able to log in via ssh can connect to any unix socket with the root's credentials, bypassing both file system restrictions and any SO_PEERCRED / SO_PASSCRED checks performed by the peer.","modified":"2026-05-20T16:20:23.086900964Z","published":"2026-02-12T22:16:00Z","upstream":["CVE-2025-14282"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-14282"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-14282"},{"type":"REPORT","url":"https://github.com/mkj/dropbear/pull/391"},{"type":"REPORT","url":"https://github.com/mkj/dropbear/pull/394"},{"type":"REPORT","url":"https://lists.ucc.gu.uwa.edu.au/pipermail/dropbear/2025q4/002390.html"}],"affected":[{"package":{"name":"dropbear","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2014.65-1ubuntu2","2015.68-1","2015.70-1","2015.71-1","2016.72-1"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2016.72-1"},{"binary_name":"dropbear-bin","binary_version":"2016.72-1"},{"binary_name":"dropbear-initramfs","binary_version":"2016.72-1"},{"binary_name":"dropbear-run","binary_version":"2016.72-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2017.75-2","2017.75-3build1","2017.75-3ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2017.75-3ubuntu0.1~esm1"},{"binary_name":"dropbear-bin","binary_version":"2017.75-3ubuntu0.1~esm1"},{"binary_version":"2017.75-3ubuntu0.1~esm1","binary_name":"dropbear-initramfs"},{"binary_name":"dropbear-run","binary_version":"2017.75-3ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2019.78-2build1","2019.78-2ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2019.78-2ubuntu0.1~esm1"},{"binary_name":"dropbear-bin","binary_version":"2019.78-2ubuntu0.1~esm1"},{"binary_version":"2019.78-2ubuntu0.1~esm1","binary_name":"dropbear-initramfs"},{"binary_version":"2019.78-2ubuntu0.1~esm1","binary_name":"dropbear-run"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2020.81-3","2020.81-4","2020.81-5","2020.81-5ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2020.81-5ubuntu0.1"},{"binary_name":"dropbear-bin","binary_version":"2020.81-5ubuntu0.1"},{"binary_name":"dropbear-initramfs","binary_version":"2020.81-5ubuntu0.1"},{"binary_name":"dropbear-run","binary_version":"2020.81-5ubuntu0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2022.83-2","2022.83-3","2022.83-4"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2022.83-4"},{"binary_version":"2022.83-4","binary_name":"dropbear-bin"},{"binary_version":"2022.83-4","binary_name":"dropbear-initramfs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2024.86-2","2025.88-2"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2025.88-2"},{"binary_name":"dropbear-bin","binary_version":"2025.88-2"},{"binary_version":"2025.88-2","binary_name":"dropbear-initramfs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}},{"package":{"name":"dropbear","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/dropbear?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2025.88-2","2025.89-1"],"ecosystem_specific":{"binaries":[{"binary_name":"dropbear","binary_version":"2025.89-1"},{"binary_version":"2025.89-1","binary_name":"dropbear-bin"},{"binary_version":"2025.89-1","binary_name":"dropbear-initramfs"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-14282.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}