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Vulnerability of Wildfly: denial of service via EJB SessionOpenInvocations

Synthesis of the vulnerability 

An attacker can trigger a fatal error via EJB SessionOpenInvocations of Wildfly, in order to trigger a denial of service.
Impacted products: JBoss EAP by Red Hat, Red Hat SSO.
Severity of this bulletin: 2/4.
Creation date: 24/07/2020.
Références of this threat: CVE-2020-14307, RHSA-2020:3141-01, RHSA-2020:3142-01, RHSA-2020:3143-01, RHSA-2020:3144-01, RHSA-2020:3495-01, RHSA-2020:3496-01, RHSA-2020:3497-01, RHSA-2020:3501-01, RHSA-2020:3637-01, RHSA-2020:3638-01, RHSA-2020:3639-01, RHSA-2020:3642-01, VIGILANCE-VUL-32907.

Description of the vulnerability 

An attacker can trigger a fatal error via EJB SessionOpenInvocations of Wildfly, in order to trigger a denial of service.
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This cybersecurity announce impacts software or systems such as JBoss EAP by Red Hat, Red Hat SSO.

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

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

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

Solutions for this threat 

Red Hat JBoss EAP: patch for Wildfly.
A patch is indicated in information sources.

Red Hat JBoss EAP: version 7.2.9.
The version 7.2.9 is fixed:
  https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.2/

Red Hat Single Sign-On: version 7.4.2.
The version 7.4.2 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.4
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