CVE-1999-0305

CVSS 5.0 - MEDIUM
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.

Affected Products
6
Vendor Product Version
bsdi bsd_os All versions
freebsd freebsd 2.2
freebsd freebsd 2.2.5
openbsd openbsd 2.0
openbsd openbsd 2.1
openbsd openbsd 2.2
Weakness Types
NVD-CWE-Other
CVE Information
CVE ID:
CVE-1999-0305
Published:
1998-02-01
Modified:
2026-04-16
CVSS Score:
5.0
Severity:
MEDIUM
Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
Affected Vendors
bsdi freebsd openbsd
Quick Actions
CVSS Severity Scale
0.0 - 3.9 LOW
4.0 - 6.9 MEDIUM
7.0 - 8.9 HIGH
9.0 - 10.0 CRITICAL