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

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CVE-2023-3107

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
01/08/2023
Last modified:
09/07/2025

Description

A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.

Impact

Vector 3.x
CVSS:3.1/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:3.1/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

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.4:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.4:rc2-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:12.4:rc2-p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:-:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:b1-p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:b2-p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p1:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p2:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p3:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p4:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p5:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:13.1:p6:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools