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Vulnerability of Yaws: external XML entity injection via WebDAV

Synthesis of the vulnerability 

An attacker can transmit malicious XML data via WebDAV to Yaws, in order to read a file, scan sites, or trigger a denial of service.
Impacted software: Debian, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 28/09/2020.
Références of this announce: CVE-2020-24379, DLA-2384-1, DSA-4773-1, USN-4569-1, VIGILANCE-VUL-33430.

Description of the vulnerability 

An attacker can transmit malicious XML data via WebDAV to Yaws, in order to read...
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This computer vulnerability announce impacts software or systems such as Debian, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin 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 threat alert.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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