CVE-2016-0762

Medium

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.

SeverityMedium
CVSS5.9
Exploit probability—
ProductApache Tomcat
PublishedAug 10, 2017
First seenAug 10, 2017

How to fix

Update
  • org.apache.tomcat:tomcat9.0.0.M10, 8.5.5, 8.0.37, 7.0.72, 6.0.46 or later

Affected products

ProductAffected versionsFixed in
apache tomcat6.0.0 ≤ v ≤ 6.0.45, 7.0.0 ≤ v ≤ 7.0.70, 8.0 ≤ v ≤ 8.0.36, 8.5.0 ≤ v ≤ 8.5.4, 9.0.0—
canonical ubuntu_linux16.04—
debian debian_linux8.0—
redhat jboss_enterprise_web_server3.0.0—
redhat enterprise_linux_desktop7.0—
redhat enterprise_linux_eus7.4, 7.5, 7.6, 7.7—
redhat enterprise_linux_server7.0—
redhat enterprise_linux_server_aus7.4, 7.6, 7.7—
redhat enterprise_linux_server_tus7.6, 7.7—
redhat enterprise_linux_workstation7.0—
netapp oncommand_insightNo range specified—
netapp oncommand_shiftNo range specified—
netapp snap_creator_frameworkNo range specified—
oracle communications_diameter_signaling_router8.0.0 ≤ v ≤ 8.5.0—
oracle tekelec_platform_distribution7.4.0 ≤ v ≤ 7.7.1—
org.apache.tomcat:tomcatMaven9.0.0M1 ≤ v < 9.0.0.M10, 8.5.0 ≤ v < 8.5.5, 8.0.0.RC1 ≤ v < 8.0.37, 7.0.0 ≤ v < 7.0.72, 6.0.0 ≤ v < 6.0.469.0.0.M10, 8.5.5, 8.0.37, 7.0.72, 6.0.46

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