Remote code execution in Microsoft Windows SMB

Published: 2019-02-13 00:03:22
Severity High
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-0630
CVE-2019-0633
CVSSv3 8.6 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
8.6 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 8.1
Windows 7
Windows 10

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Windows Server 2012
Windows Server 2012 R2
Windows Server 2008

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Vendor URL Microsoft

Security Advisory

1) Input validation error

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests. A remote attacker can send a specially crafted packet to a targeted SMBv2 server and execute arbitrary code with elevated privileges.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0630

2) Input validation error

Description

The vulnerability allows a remote authenticated attacker to execute arbitrary code on the target system.

The vulnerability exists due to an error when the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests. A remote attacker can send a specially crafted packet to a targeted SMBv2 server and execute arbitrary code with elevated privileges.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0633

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