VYPR
← All advisories
Unrated severityNVD Advisory· Published Feb 1, 1998· Updated Jun 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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

8
  • Bsdi/BSD OS
    cpe:2.3:o:bsdi:bsd_os:*:*:*:*:*:*:*:*
  • FreeBSD/FreeBSD3 versions
    cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:freebsd:freebsd:2.2.5:*:*:*:*:*:*:*
    • cpe:2.3:o:freebsd:freebsd:2.2:*:*:*:*:*:*:*
    • (no CPE)range: <=2.2.5
  • OpenBSD/OpenBSD4 versions
    cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*+ 3 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:*:*:*:*:*:*:*
    • (no CPE)range: <=2.2

Patches

Vulnerability mechanics

References

3

News mentions

0

No linked articles in our index yet.