Access Restriction Bypass Affecting tomcat-admin-webapps package, versions <0:7.0.76-2.el7


Severity

Recommended
0.0
low
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.13% (48th percentile)

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  • Snyk ID SNYK-CENTOS7-TOMCATADMINWEBAPPS-2090627
  • published 26 Jul 2021
  • disclosed 27 Oct 2016

How to fix?

Upgrade Centos:7 tomcat-admin-webapps to version 0:7.0.76-2.el7 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.

The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid user names. Note that the default configuration includes the LockOutRealm which makes exploitation of this vulnerability harder.

References

CVSS Scores

version 3.1
Expand this section

NVD

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