Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2018-6923

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
04/09/2018
Last modified:
13/11/2018

Description

In FreeBSD before 11.1-STABLE, 11.2-RELEASE-p2, 11.1-RELEASE-p13, ip fragment reassembly code is vulnerable to a denial of service due to excessive system resource consumption. This issue can allow a remote attacker who is able to send an arbitrary ip fragments to cause the machine to consume excessive resources.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.3:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.4:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.5:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.7:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.8:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.9:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.10:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.11:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:5.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:5.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:5.2:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools