CVE-1999-0305

Severity

50%

Complexity

99%

Confidentiality

48%

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.

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.

CVSS 2.0 Base Score 5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 27 years ago

1998-02-01 05:00:00

Last updated 6 years ago

2018-05-03 01:29:00

Affected Software

FreeBSD 2.2

2.2

FreeBSD 2.2.5

2.2.5

OpenBSD 2.0

2.0

OpenBSD 2.1

2.1

OpenBSD 2.2

2.2

References

http://www.openbsd.org/advisories/sourceroute.txt

11502

bsd-sourceroute(736)

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