Samba 4.15.2 (gzipped)
Signature
Patch (gzipped) against Samba 4.15.1
Signature
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Release Notes for Samba 4.15.2
November 9, 2021
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This is a security release in order to address the following defects:
o CVE-2016-2124: SMB1 client connections can be downgraded to plaintext
authentication.
https://www.samba.org/samba/security/CVE-2016-2124.html
o CVE-2020-25717: A user on the domain can become root on domain members.
https://www.samba.org/samba/security/CVE-2020-25717.html
(PLEASE READ! There are important behaviour changes described)
o CVE-2020-25718: Samba AD DC did not correctly sandbox Kerberos tickets issued
by an RODC.
https://www.samba.org/samba/security/CVE-2020-25718.html
o CVE-2020-25719: Samba AD DC did not always rely on the SID and PAC in Kerberos
tickets.
https://www.samba.org/samba/security/CVE-2020-25719.html
o CVE-2020-25721: Kerberos acceptors need easy access to stable AD identifiers
(eg objectSid).
https://www.samba.org/samba/security/CVE-2020-25721.html
o CVE-2020-25722: Samba AD DC did not do suffienct access and conformance
checking of data stored.
https://www.samba.org/samba/security/CVE-2020-25722.html
o CVE-2021-3738: Use after free in Samba AD DC RPC server.
https://www.samba.org/samba/security/CVE-2021-3738.html
o CVE-2021-23192: Subsequent DCE/RPC fragment injection vulnerability.
https://www.samba.org/samba/security/CVE-2021-23192.html
Changes since 4.15.1
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o Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
* CVE-2020-25722
o Andrew Bartlett <abartlet@samba.org>
* CVE-2020-25718
* CVE-2020-25719
* CVE-2020-25721
* CVE-2020-25722
o Ralph Boehme <slow@samba.org>
* CVE-2020-25717
o Alexander Bokovoy <ab@samba.org>
* CVE-2020-25717
o Samuel Cabrero <scabrero@samba.org>
* CVE-2020-25717
o Nadezhda Ivanova <nivanova@symas.com>
* CVE-2020-25722
o Stefan Metzmacher <metze@samba.org>
* CVE-2016-2124
* CVE-2020-25717
* CVE-2020-25719
* CVE-2020-25722
* CVE-2021-23192
* CVE-2021-3738
o Andreas Schneider <asn@samba.org>
* CVE-2020-25719
o Joseph Sutton <josephsutton@catalyst.net.nz>
* CVE-2020-17049
* CVE-2020-25718
* CVE-2020-25719
* CVE-2020-25721
* CVE-2020-25722
* MS CVE-2020-17049