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CVE-2020-25721

Published: 09 November 2021

Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.

Priority

Medium

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
Upstream
Released (4.13.14)
Ubuntu 21.10 (Impish Indri)
Released (2:4.13.14+dfsg-0ubuntu0.21.10.1)
Ubuntu 21.04 (Hirsute Hippo)
Released (2:4.13.14+dfsg-0ubuntu0.21.04.1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (2:4.13.14+dfsg-0ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver) Ignored

Ubuntu 16.04 ESM (Xenial Xerus) Needs triage

Ubuntu 14.04 ESM (Trusty Tahr) Needs triage

Notes

AuthorNote
mdeslaur
Fixing this in Ubuntu 18.04 LTS would require substantial
code backports. We will not be fixing this issue in Ubuntu 18.04
LTS. In environments where this is of concern, we recommend
updating to a more recent Ubuntu version.

References

Bugs