- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
If the RHEL system is configured as an Active Directory client or
sambaservice is running on it, below steps can be followed to overcome these vulnerabilities :
/etc/samba/smb.conffile and add following lines in
guest account = nobody restrict anonymous = 1
smbservice after modifying
# service smb restart
This will restrict anonymous access to Samba service.
CVE-2000-1200: Windows NT allows remote attackers to list all users in a domain by obtaining the domain SID with the LsaQueryInformationPolicy policy function via a null session and using the SID to list the users.
CVE-1999-0519: A NETBIOS/SMB share password is the default, null, or missing.
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