CVE-2021-30640

A vulnerability in the JNDI Realm of Apache Tomcat allows an attacker to authenticate using variations of a valid user name and/or to bypass some of the protection provided by the LockOut Realm. This issue affects Apache Tomcat 10.0.0-M1 to 10.0.5; 9.0.0.M1 to 9.0.45; 8.5.0 to 8.5.65...

Fixed in Apache Tomcat 9.0.46

Low: Authentication weakness CVE-2021-30640 Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data eg user names as well as configuration data provided by an administrator. In limited circumstances it was possible for...

Fixed in Apache Tomcat 10.0.6

Low: Authentication weakness CVE-2021-30640 Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data eg user names as well as configuration data provided by an administrator. In limited circumstances it was possible for...

Fixed in Apache Tomcat 7.0.109

Low: Authentication weakness CVE-2021-30640 Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data eg user names as well as configuration data provided by an administrator. In limited circumstances it was possible for...

tomcat -- JNDI Realm Authentication Weakness in multiple versions

ilja.farber reports: Queries made by the JNDI Realm did not always correctly escape parameters. Parameter values could be sourced from user provided data eg user names as well as configuration data provided by an administrator. In limited circumstances it was possible for users to authenticate...

tomcat: timing attack in Realm implementation

The Realm implementations 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...

tomcat: timing attack in Realm implementation

The Realm implementations 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...

tomcat: timing attack in Realm implementation

The Realm implementations 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...

tomcat: timing attack in Realm implementation

The Realm implementations 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...

UBUNTU-CVE-2016-0762

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...

PT-2016-3431 · Apache +5 · Apache Tomcat +5

Name of the Vulnerable Software and Affected Versions: Apache Tomcat versions 9.0.0.M1 through 9.0.0.M9 Apache Tomcat versions 8.5.0 through 8.5.4 Apache Tomcat versions 8.0.0.RC1 through 8.0.36 Apache Tomcat versions 7.0.0 through 7.0.70 Apache Tomcat versions 6.0.0 through 6.0.45 Description: T...