CVE-2009-0687

Severity

78%

Complexity

99%

Confidentiality

115%

The pf_test_rule function in OpenBSD Packet Filter (PF), as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service (panic) via crafted IP packets that trigger a NULL pointer dereference during translation, related to an IPv4 packet with an ICMPv6 payload.

The pf_test_rule function in OpenBSD Packet Filter (PF), as used in OpenBSD 4.2 through 4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current allows remote attackers to cause a denial of service (panic) via crafted IP packets that trigger a NULL pointer dereference during translation, related to an IPv4 packet with an ICMPv6 payload.

CVSS 2.0 Base Score 7.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C).

Overview

Type

OpenBSD

First reported 15 years ago

2009-08-11 10:30:00

Last updated 7 years ago

2017-09-29 01:33:00

Affected Software

OpenBSD 4.2

4.2

OpenBSD 4.3

4.3

OpenBSD 4.4

4.4

OpenBSD 4.5

4.5

References

ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch

Patch, Vendor Advisory

NetBSD-SA2009-001

Vendor Advisory

http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt

[4.3] 013: RELIABILITY FIX: April 11, 2009

Patch, Vendor Advisory

[4.4] 013: RELIABILITY FIX: April 11, 2009

Patch, Vendor Advisory

[4.5] 002: RELIABILITY FIX: April 11, 2009

Patch, Vendor Advisory

53608

20090413 OpenBSD 4.3 up to OpenBSD-current: PF null pointer dereference - remote DoS (kernel panic)

ADV-2009-1015

Patch, Vendor Advisory

openbsd-packetfilter-dos(49837)

8406

8581

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