[Samba] [Announce] Samba meta-data symlink vulnerability CVE-2021-20316
Ralph Boehme
slow at samba.org
Mon Jan 10 15:31:02 UTC 2022
On 1/10/22 16:06, Sven Schwedas via samba wrote:
> Just for clarification: If client min protocol is set to SMB2 or higher,
> *or* unix entensions are disabled, and NFS is not used, this is not
> exploitable?
correct. Unless you allow access by ssh.
> Or do Unix extensions always allow this race, even with
> recent protocol versions?
SMB2 and newer don't (yet) support UNIX extensions.
-slow
--
Ralph Boehme, Samba Team https://samba.org/
SerNet Samba Team Lead https://sernet.de/en/team-samba
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