← Volver a CVEs
CVE-2018-20839
MEDIUM4.3
Descripcion
systemd 242 changes the VT1 mode upon a logout, which allows attackers to read cleartext passwords in certain circumstances, such as watching a shutdown, or using Ctrl-Alt-F1 and Ctrl-Alt-F2. This occurs because the KDGKBMODE (aka current keyboard mode) check is mishandled.
Detalles CVE
Puntuacion CVSS v3.14.3
SeveridadMEDIUM
Vector CVSSCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Vector de ataquePHYSICAL
ComplejidadLOW
Privilegios requeridosNONE
Interaccion usuarioREQUIRED
Publicado5/17/2019
Ultima modificacion5/5/2025
Fuentenvd
Avistamientos honeypot0
Productos afectados
netapp:cn1610netapp:cn1610_firmwarenetapp:snapprotectnetapp:solidfire_\&_hci_management_nodesystemd_project:systemd
Referencias
http://www.securityfocus.com/bid/108389(cve@mitre.org)
https://github.com/systemd/systemd/pull/12378(cve@mitre.org)
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E(cve@mitre.org)
https://security.netapp.com/advisory/ntap-20190530-0002/(cve@mitre.org)
http://www.securityfocus.com/bid/108389(af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1803993(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/systemd/systemd/commit/9725f1a10f80f5e0ae7d9b60547458622aeb322f(af854a3a-2127-422b-91ae-364da2661108)
https://github.com/systemd/systemd/pull/12378(af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E(af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190530-0002/(af854a3a-2127-422b-91ae-364da2661108)
Correlaciones IOC
Sin correlaciones registradas
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