Samba 4.5.14 (gzipped)
Signature
Patch (gzipped) against Samba 4.5.13
Signature
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Release Notes for Samba 4.5.14
September 20, 2017
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This is a security release in order to address the following defects:
o CVE-2017-12150 (SMB1/2/3 connections may not require signing where they
should)
o CVE-2017-12151 (SMB3 connections don't keep encryption across DFS redirects)
o CVE-2017-12163 (Server memory information leak over SMB1)
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Details
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o CVE-2017-12150:
A man in the middle attack may hijack client connections.
o CVE-2017-12151:
A man in the middle attack can read and may alter confidential
documents transferred via a client connection, which are reached
via DFS redirect when the original connection used SMB3.
o CVE-2017-12163:
Client with write access to a share can cause server memory contents to be
written into a file or printer.
For more details and workarounds, please see the security advisories:
o https://www.samba.org/samba/security/CVE-2017-12150.html
o https://www.samba.org/samba/security/CVE-2017-12151.html
o https://www.samba.org/samba/security/CVE-2017-12163.html
Changes since 4.5.13:
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o Jeremy Allison <jra@samba.org>
* BUG 13020: CVE-2017-12163: s3:smbd: Prevent client short SMB1 write from
writing server memory to file.
o Stefan Metzmacher <metze@samba.org>
* BUG 12996: CVE-2017-12151: Keep required encryption across SMB3 dfs
redirects.
* BUG 12997: CVE-2017-12150: Some code path don't enforce smb signing
when they should.