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.
Published: 2019-01-09
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-15320 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.
Ubuntu USN Ubuntu USN USN-3935-1 BusyBox vulnerabilities
History

Mon, 09 Jun 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Subscriptions

Busybox Busybox
Canonical Ubuntu Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-06-09T15:28:24.805Z

Reserved: 2019-01-09T00:00:00.000Z

Link: CVE-2019-5747

cve-icon Vulnrichment

Updated: 2024-08-04T20:01:52.241Z

cve-icon NVD

Status : Modified

Published: 2019-01-09T16:29:00.353

Modified: 2025-06-09T16:15:31.280

Link: CVE-2019-5747

cve-icon Redhat

Severity : Low

Publid Date: 2019-01-09T00:00:00Z

Links: CVE-2019-5747 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses