CVE-2016-0762

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.61%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory ubuntu.com
Affected: Apache Software Foundation Apache Tomcat
Published at:
Updated at:

References

Link Tags
http://www.securitytracker.com/id/1037144 vdb entry broken link
https://lists.apache.org/thread.html/1872f96bad43647832bdd84a408794cd06d9cbb557af63085ca10009%40%3Cannounce.tomcat.apache.org%3E mailing list
https://access.redhat.com/errata/RHSA-2017:2247 third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2017-0457.html third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:0455 third party advisory vendor advisory
http://www.securityfocus.com/bid/93939 vdb entry broken link
http://www.debian.org/security/2016/dsa-3720 third party advisory vendor advisory
https://access.redhat.com/errata/RHSA-2017:0456 third party advisory vendor advisory
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbadad84c236d85eab3033662cfb%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa23300c3d6c9fe589ab87fe02859c%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E mailing list
https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d50294072d142fd6dc08a8987ae9f3a9b%40%3Cdev.tomcat.apache.org%3E mailing list
https://usn.ubuntu.com/4557-1/ third party advisory vendor advisory
https://www.oracle.com//security-alerts/cpujul2021.html third party advisory patch
https://security.netapp.com/advisory/ntap-20180605-0001/ third party advisory
https://www.oracle.com/security-alerts/cpuoct2021.html third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2016-0762?
CVE-2016-0762 has been scored as a medium severity vulnerability.
How to fix CVE-2016-0762?
To fix CVE-2016-0762, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-0762 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-0762 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2016-0762?
CVE-2016-0762 affects Apache Software Foundation Apache Tomcat.
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