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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-01-09T16:00:00

Updated: 2024-08-05T12:05:17.686Z

Reserved: 2019-01-09T00:00:00

Link: CVE-2018-20679

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-01-09T16:29:00.273

Modified: 2019-09-04T23:15:12.860

Link: CVE-2018-20679

cve-icon Redhat

Severity : Low

Publid Date: 2018-11-12T00:00:00Z

Links: CVE-2018-20679 - Bugzilla