Security Advisory

CVE-2018-20679

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2019-01-09 16:00:00

Last updated 2025-06-09 15:26:04

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

An issue was discovered in BusyBox before 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP server, client, and relay) allows a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to verification in udhcp_get_option() in networking/udhcp/common.c that 4-byte options are indeed 4 bytes.

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