Intrusion Prevention

MS.Windows.SMB1.NT_TRANSACT_IOCTL.Information.Disclosure

Description

This indicates an attack attempt to exploit an Information Disclosure vulnerability in the SMB Server component of Microsoft Windows.
The vulnerability is due to an error when the vulnerable software attempts to handle maliciously crafted packet. A remote attacker can exploit this to gain unauthorized access to sensitive information, leading to further attacks.

Affected Products

Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows 7
Microsoft Windows RT 8.1
Microsoft Windows 10
Microsoft Windows RT
Microsoft Windows Server 2016
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012
Microsoft Windows Server 2008
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012 R2 (Server Core)

Impact

Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems.

Recommended Actions

Apply the most recent upgrade or patch from the vendor.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11815

CVE References

CVE-2017-11815