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Vulnerability of RESTEasy: information disclosure via JAX-RS Resource Method Parameter Conversion

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via JAX-RS Resource Method Parameter Conversion of RESTEasy, in order to obtain sensitive information.
Vulnerable software: RESTEasy JBoss OpenSource.
Severity of this announce: 2/4.
Creation date: 29/03/2021.
Références of this computer vulnerability: CVE-2021-20289, VIGILANCE-VUL-34957.

Description of the vulnerability 

An attacker can bypass access restrictions to data via JAX-RS Resource Method Pa...
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This security weakness impacts software or systems such as RESTEasy JBoss OpenSource.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a specialist ability can exploit this threat.

Solutions for this threat 

Solutions for this vulnerability are not yet public.
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