Intrusion Prevention

MS.Windows.SMB1.SMB_COM_TRANSACTION2.Out.of.Bounds.Read

Description

This indicates an attack attempt against a Buffer Overflow vulnerability in the SMB Server component of Microsoft Windows.
The vulnerability is caused by an error when the vulnerable application handles a maliciously crafted SMBv1 request. A remote attacker may be able to exploit this to cause a denial of service condition on affected systems.

Affected Products

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

Impact

Denial of Service: Remote attackers can crash 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-2017-11781

CVE References

CVE-2017-11781