CVE-2019-5747

Description

An issue was discovered in BusyBox through 1.30.0. An out of bounds read in udhcp components (consumed by the DHCP client, server, and/or relay) might allow a remote attacker to leak sensitive information from the stack by sending a crafted DHCP message. This is related to assurance of a 4-byte length when decoding DHCP_SUBNET. NOTE: this issue exists because of an incomplete fix for CVE-2018-20679.

CVSS Version 3.1
CVSS Version 2.0

nvd
CVE ID: CVE-2019-5747
Base Score: 7.5
Base Severity: HIGH
Vector String:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 3.9

nvd
CVE ID: CVE-2019-5747
Base Score: 5.0
Base Severity: MEDIUM
Vector String:AV:N/AC:L/Au:N/C:P/I:N/A:N

Refrence: NVD

Description​

Description