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Vulnerability of FasterXML jackson-databind: information disclosure via net.sf.ehcache.hibernate.EhcacheJtaTransactionManagerLookup Polymorphic Typing

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via net.sf.ehcache.hibernate.EhcacheJtaTransactionManagerLookup Polymorphic Typing of FasterXML jackson-databind, in order to obtain sensitive information.
Vulnerable products: Debian, Oracle Fusion Middleware, Oracle OIT, WebLogic, JBoss EAP by Red Hat, Red Hat SSO.
Severity of this weakness: 2/4.
Creation date: 14/11/2019.
Références of this bulletin: cpujul2020, CVE-2019-17267, DLA-2030-1, RHSA-2020:0159-01, RHSA-2020:0160-01, RHSA-2020:0161-01, RHSA-2020:0164-01, RHSA-2020:0445-01, VIGILANCE-VUL-30870.

Description of the vulnerability 

An attacker can bypass access restrictions to data via net.sf.ehcache.hibernate.EhcacheJtaTransactionManagerLookup Polymorphic Typing of FasterXML jackson-databind, in order to obtain sensitive information.
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This security announce impacts software or systems such as Debian, Oracle Fusion Middleware, Oracle OIT, WebLogic, JBoss EAP by Red Hat, Red Hat SSO.

Our Vigil@nce team determined that the severity of this threat 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 vulnerability announce.

Solutions for this threat 

Cloud Foundry UAA: version 74.7.0.
The version 74.7.0 is fixed:
  https://www.cloudfoundry.org/

Debian 8: new jackson-databind packages.
New packages are available:
  Debian 8: jackson-databind 2.4.2-2+deb8u10

Oracle Fusion Middleware: CPU of July 2020.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2664876.1

Pivotal Cloud Foundry: fixed versions for FasterXML jackson-databind.
Fixed versions are indicated in information sources.

Red Hat JBoss EAP: version 7.2.6.
The version 7.2.6 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=7.2

Red Hat Single Sign-On: version 7.3.6.
The version 7.3.6 is fixed:
  https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.3
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