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

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-1999-0305

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
01/02/1998
Last modified:
03/04/2025

Description

The system configuration control (sysctl) facility in BSD based operating systems OpenBSD 2.2 and earlier, and FreeBSD 2.2.5 and earlier, does not properly restrict source routed packets even when the (1) dosourceroute or (2) forwarding variables are set, which allows remote attackers to spoof TCP connections.

Impact

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

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

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

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:bsdi:bsd_os:*:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools