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vulnerability bulletin CVE-2018-20679

BusyBox: out-of-bounds memory reading via udhcp_get_option

Synthesis of the vulnerability

An attacker can force a read at an invalid address via udhcp_get_option() of BusyBox, in order to trigger a denial of service, or to obtain sensitive information.
Impacted products: BusyBox, Ubuntu.
Severity of this bulletin: 2/4.
Consequences of an intrusion: data reading, denial of service on server, denial of service on service, denial of service on client.
Hacker's origin: document.
Creation date: 10/01/2019.
Références of this threat: CVE-2018-20679, USN-3935-1, VIGILANCE-VUL-28233.

Description of the vulnerability

An attacker can force a read at an invalid address via udhcp_get_option() of BusyBox, in order to trigger a denial of service, or to obtain sensitive information.
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