The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of Undertow: information disclosure via ByteBuffer Flushing

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via ByteBuffer Flushing of Undertow, in order to obtain sensitive information.
Impacted products: JBoss EAP by Red Hat, Red Hat SSO.
Severity of this bulletin: 2/4.
Creation date: 19/02/2019.
Références of this threat: CVE-2018-14642, RHBUG-1628702, RHSA-2019:0362-01, RHSA-2019:0364-01, RHSA-2019:0365-01, RHSA-2019:0380-01, RHSA-2019:1106-01, RHSA-2019:1107-01, RHSA-2019:1108-01, RHSA-2019:1140-01, VIGILANCE-VUL-28539.

Description of the vulnerability 

An attacker can bypass access restrictions to data via ByteBuffer Flushing of Undertow, in order to obtain sensitive information.
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This computer threat bulletin impacts software or systems such as JBoss EAP by Red Hat, Red Hat SSO.

Our Vigil@nce team determined that the severity of this security threat is medium.

The trust level is of type confirmed by the editor, with an origin of intranet client.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

Red Hat JBoss EAP: version 7.1.6.
The version 7.1.6 is fixed:
  https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/?version=7.1

Red Hat JBoss EAP: version 7.2.1.
The version 7.2.1 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=7.2

Red Hat Single Sign-On: version 7.2.6.
The version 7.2.6 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&version=7.2

Red Hat Single Sign-On: version 7.3.1.
The version 7.3.1 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=core.service.rhsso&version=7.3
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Vigil@nce provides a system vulnerability bulletin. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.