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Vulnerability of Ruby REXML: spoofing via XML Round-trip

Synthesis of the vulnerability 

An attacker can create spoofed data via XML Round-trip of Ruby REXML, in order to deceive the victim.
Impacted software: Fedora, openSUSE Leap, Puppet, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 19/04/2021.
Références of this announce: CVE-2021-28965, FEDORA-2021-0ea39d8eb3, FEDORA-2021-6385a09efc, openSUSE-SU-2021:0607-1, SUSE-SU-2021:1280-1, USN-4922-1, USN-4922-2, VIGILANCE-VUL-35104.

Description of the vulnerability 

An attacker can create spoofed data via XML Round-trip of Ruby REXML, in order t...
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This security bulletin impacts software or systems such as Fedora, openSUSE Leap, Puppet, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity announce is medium.

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

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

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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