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Vulnerability of urllib3: information disclosure via CRLF Injection

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via CRLF Injection of urllib3, in order to obtain sensitive information.
Impacted software: RHEL, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 06/10/2020.
Références of this announce: CVE-2020-26137, RHSA-2020:4299-01, USN-4570-1, VIGILANCE-VUL-33484.

Description of the vulnerability 

An attacker can bypass access restrictions to data via CRLF Injection of urllib3...
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This vulnerability alert impacts software or systems such as RHEL, Ubuntu.

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

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

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

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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