HTTP Request Smuggling

Affecting io.undertow:undertow-core artifact, versions [,2.2.0.Final)

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Overview

io.undertow:undertow-core is a Java web server based on non-blocking IO.

Affected versions of this package are vulnerable to HTTP Request Smuggling. HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.

Remediation

Upgrade io.undertow:undertow-core to version 2.2.0.Final or higher.

References

CVSS Score

8.6
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    Low
  • Availability
    Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:R
Credit
Unknown
CVE
CVE-2020-10687
CWE
CWE-444
Snyk ID
SNYK-JAVA-IOUNDERTOW-1012559
Disclosed
24 Sep, 2020
Published
24 Sep, 2020