Example Analysis of Samba Security vulnerabilities

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Today, Samba reports another major vulnerability, which is currently numbered as CVE-2015-0240dSamba daemon smbd. A pointer for initialization can be exploited remotely. She can let a malicious Samba client send a specific netlogon packet to gain permission to run smbd. And the default permission of smbd is still root Super Admin. This vulnerability affects Samba 3.5 and later. Most current GNU/Linux distributions will be affected, and Red Hat Security Team's vulnerability analysis report has been released.

Current temporary risk reduction plan: add to / etc/samba/smb.conf:

Rpc_server:netlogon=disabled

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