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HTTP Request Smuggling Affecting tomcat-admin-webapps package, versions <0:7.0.76-16.el7_9

Severity

 Recommended
low

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.24% (63rd percentile)

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  • Snyk ID SNYK-CENTOS7-TOMCATADMINWEBAPPS-2178215
  • published 26 Jul 2021
  • disclosed 24 Feb 2020
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Introduced: 24 Feb 2020

CVE-2020-1935 Open this link in a new tab
CWE-444 Open this link in a new tab

How to fix?

Upgrade Centos:7 tomcat-admin-webapps to version 0:7.0.76-16.el7_9 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-admin-webapps package and not the tomcat-admin-webapps package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In Apache Tomcat 9.0.0.M1 to 9.0.30, 8.5.0 to 8.5.50 and 7.0.0 to 7.0.99 the HTTP header parsing code used an approach to end-of-line parsing that allowed some invalid HTTP headers to be parsed as valid. This led to a possibility of HTTP Request Smuggling if Tomcat was located behind a reverse proxy that incorrectly handled the invalid Transfer-Encoding header in a particular manner. Such a reverse proxy is considered unlikely.

References

CVSS Scores

version 3.1
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NVD

4.8 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
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Red Hat

4.3 medium
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SUSE

4.8 medium