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Vulnerability of libmaxminddb: out-of-bounds memory reading via dump_entry_data_list

Synthesis of the vulnerability 

An attacker can force a read at an invalid address via dump_entry_data_list() of libmaxminddb, in order to trigger a denial of service, or to obtain sensitive information.
Vulnerable software: Debian, Ubuntu.
Severity of this announce: 2/4.
Creation date: 10/11/2020.
Références of this computer vulnerability: CVE-2020-28241, DLA-2445-1, USN-4631-1, VIGILANCE-VUL-33871.

Description of the vulnerability 

An attacker can force a read at an invalid address via dump_entry_data_list() of...
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This computer vulnerability alert impacts software or systems such as Debian, Ubuntu.

Our Vigil@nce team determined that the severity of this computer threat alert 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 security vulnerability.

Solutions for this threat 

Workarounds for this vulnerability are not yet public.
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