VYPR
Unrated severityNVD Advisory· Published Feb 1, 1998· Updated Apr 16, 2026

CVE-1999-0305

CVE-1999-0305

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
  • cpe:2.3:o:bsdi:bsd_os:*:*:*:*:*:*:*:*
  • FreeBSD/FreeBSD2 versions
    cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*
  • OpenBSD/OpenBSD3 versions
    cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

0

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