Denial of service in Microsoft IIS Server

Published: 2019-06-12 00:20:07 | Updated: 2019-06-12
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-0941
CVSSv3 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CWE ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software Microsoft IIS
Windows
Windows Server
Vulnerable software versions Microsoft IIS 10.0
Microsoft IIS 8.5
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 attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the filtering feature. A remote attacker can send a specially crafted request to the affected Microsoft IIS server and perform a denial of service attack against pages, configured to use request filtering.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0941

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