Information Exposure

Affecting system.net.http package, versions [2.1.0, 2.1.7) || [2.2.0, 2.2.1)

Overview

System.Net.Http Provides a programming interface for modern HTTP applications, including HTTP client components that allow applications to consume web services over HTTP and HTTP components that can be used by both clients and servers for parsing HTTP headers.

Affected versions of this package are vulnerable to Information Exposure. It allows bypassing Cross-origin Resource Sharing (CORS) configurations. An attacker who successfully exploited the vulnerability could retrieve content, that is normally restricted, from a web application.

Remediation

Upgrade System.Net.Http to version 2.1.7, 2.2.1 or higher.

References

Do your applications use this vulnerable package?

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    None
  • Availability
    None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Credit
Unknown
CVE
CVE-2019-0545
CWE
CWE-200
Snyk ID
SNYK-DOTNET-SYSTEMNETHTTP-72899
Disclosed
08 Jan, 2019
Published
10 Jan, 2019