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.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | tomcat6 | 2016-11-10 18:00 | ALAS-2016-764 |
Amazon Linux 1 | tomcat7 | 2016-11-10 18:00 | ALAS-2016-764 |
Amazon Linux 1 | tomcat8 | 2016-11-10 18:00 | ALAS-2016-764 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv2 | 2.6 | AV:N/AC:H/Au:N/C:P/I:N/A:N |
Amazon Linux | CVSSv3 | 3.7 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
NVD | CVSSv3 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |