CVEvulnerability

CVE-1999-0305

5.0 MEDIUM Published 1998-02-01 Modified 2026-06-16 Official page ↗
Status
Modified
Published
1998-02-01
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:P/I:N/A:N

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 configurations

• bsdi bsd os • freebsd freebsd 2.2 • freebsd freebsd 2.2.5 • openbsd openbsd 2.0 • openbsd openbsd 2.1 • openbsd openbsd 2.2

References