CVE-2017-12196 Incorrect Authorization in Undertow

What is CVE-2017-12196?

CVE-2017-12196 is a medium-severity authentication bypass vulnerability in Redhat Jboss Enterprise Application Platform, published on 18 Apr 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

undertow before versions 1.4.18.SP1, 2.0.2.Final, 1.4.24.Final was found vulnerable when using Digest authentication, the server does not ensure that the value of URI in the Authorization header matches the URI in HTTP request line. This allows the attacker to cause a MITM attack and access the desired content on the server.

Weakness: CWE-863, CWE-287

Which versions are affected by CVE-2017-12196?

4 open source packages ship an affected version, including io.undertow:undertow-core. It affects 4 products.

Products include Redhat Jboss Enterprise Application Platform, Redhat Jboss Fuse, Redhat Undertow, Redhat Virtualization.

How do I fix CVE-2017-12196?

Upgrade io.undertow:undertow-core to a fixed version for your release line: 1.4.24.Final or 2.0.2.FInal.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2017-12196 being exploited?

There is no known exploitation of CVE-2017-12196 in the wild and no public exploit code.

Other vulnerabilities in Redhat Jboss Enterprise Application Platform

• CVE-2017-12149 Red Hat JBoss Application Server Remote Code Execution Exploited Critical 9.8
• CVE-2010-1428 Red Hat JBoss Information Disclosure Exploited Medium 5.9
• CVE-2010-0738 Red Hat JBoss Authentication Bypass Exploited Low 3.7
• CVE-2016-3690 Deserialization in n/a Critical 9.8
• CVE-2017-7504 Deserialization in JBoss Critical 9.8

All Redhat Jboss Enterprise Application Platform vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2017-12196, GHSA-cp7v-vmv7-6x2q, UBUNTU-CVE-2017-12196.