Important 2018-03 archive

Executive Summary

A denial of service vulnerability exists in the way that .NET Core handles specially crafted requests, causing a hash collision. To exploit the vulnerability, an attacker could send a small number of specially crafted requests to an .NET Core web application, causing performance to degrade significantly enough to cause a denial of service condition. The security update addresses the vulnerability by correcting how .NET Core handles specially crafted requests to prevent a hash collision.

Overview

Important
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Denial of Service
Released Mar 13 2018
Last Updated Mar 13 2018
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known

EPSS Score

No EPSS score available for this CVE.

View on FIRST.org

Affected Products

4 affected products
Product KB Article Severity Impact Restart Required
.NET Core 1.0 Commit (Security Update) Important Denial of Service Yes
.NET Core 1.1 Commit (Security Update) Important Denial of Service Yes
.NET Core 2.0 Commit (Security Update) Important Denial of Service Yes
PowerShell Core 6.0.0 Release Notes (Security Update) Important Denial of Service Maybe

Patches

2 patches
Article Type Restart
Commit Security Update Yes
Release Notes Security Update Maybe

Known Exploits

Acknowledgments