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

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CVE-2012-3955

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/09/2012
Last modified:
11/04/2025

Description

ISC DHCP 4.1.x before 4.1-ESV-R7 and 4.2.x before 4.2.4-P2 allows remote attackers to cause a denial of service (daemon crash) in opportunistic circumstances by establishing an IPv6 lease in an environment where the lease expiration time is later reduced.

Impact

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

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:isc:dhcp:4.1-esv:-:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r2:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r3:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r3_b1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r4:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r5:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r5_b1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r5_rc2:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:r6:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1-esv:rc1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1.0:-:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1.0:a1:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp:4.1.0:a2:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools