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HTTP Request Smuggling Affecting webrick package, versions <1.5.1 >=1.6.0, <1.6.1

0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High

    Threat Intelligence

    EPSS 0.3% (70th percentile)
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NVD
7.5 high
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SUSE
6.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-RUBY-WEBRICK-1013845
  • published 29 Sep 2020
  • disclosed 29 Sep 2020
  • credit Unknown
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Introduced: 29 Sep 2020

CVE-2020-25613 Open this link in a new tab
CWE-444 Open this link in a new tab

How to fix?

Upgrade webrick to version 1.5.1, 1.6.1 or higher.

Overview

webrick is a HTTP server toolkit that can be configured as an HTTPS server, a proxy server, and a virtual-host server.

Affected versions of this package are vulnerable to HTTP Request Smuggling. It was too tolerant against an invalid Transfer-Encoding header. This may lead to inconsistent interpretation between WEBrick and some HTTP proxy servers, which may allow the attacker to "smuggle" a request.

References