Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2003-0039

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
07/02/2003
Last modified:
03/04/2025

Description

ISC dhcrelay (dhcp-relay) 3.0rc9 and earlier, and possibly other versions, allows remote attackers to cause a denial of service (packet storm) via a certain BOOTP packet that is forwarded to a broadcast MAC address, causing an infinite loop that is not restricted by a hop count.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:isc:dhcpd:3.0.1:rc1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc10:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc2:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc3:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc4:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc5:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc6:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc7:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc8:*:*:*:*:*:*
cpe:2.3:a:isc:dhcpd:3.0.1:rc9:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools