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Apache Tomcat: Low: Timing Attack (CVE-2016-0762)

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Apache Tomcat: Low: Timing Attack (CVE-2016-0762)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
10/28/2016
Created
07/25/2018
Added
10/28/2016
Modified
06/18/2019

Description

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.

Solution(s)

  • apache-tomcat-upgrade-6_0_47
  • apache-tomcat-upgrade-7_0_72
  • apache-tomcat-upgrade-8_0_37

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