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Synthesis of the vulnerability 
An attacker can bypass access restrictions to data via Cache-Control Vary headers of MediaWiki, in order to obtain sensitive information.
 Impacted products: Debian, Fedora.
Severity of this bulletin: 2/4.
Creation date: 06/07/2020.
Références of this threat: CVE-2020-15005, DLA-2504-1, DSA-4767-1, FEDORA-2020-9c97633708, VIGILANCE-VUL-32709.
Description of the vulnerability 
An attacker can bypass access restrictions to data via Cache-Control Vary headers of MediaWiki, in order to obtain sensitive information.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
This vulnerability note impacts software or systems such as Debian, Fedora.
Our Vigil@nce team determined that the severity of this cybersecurity vulnerability 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 threat note.
Solutions for this threat 
Debian 10: new mediawiki packages.
New packages are available:
Debian 10: mediawiki 1:1.31.10-1~deb10u1
Debian 9: new mediawiki packages.
New packages are available:
Debian 9: mediawiki 1:1.27.7-1~deb9u7
Fedora 32: new mediawiki packages.
New packages are available:
Fedora 32: mediawiki 1.33.4-1.fc32
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
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Vigil@nce provides systems vulnerabilities analysis. The Vigil@nce vulnerability database contains several thousand vulnerabilities.
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