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CVE-2009-0687

Published: Aug 11, 2009Updated: Apr 23, 2026 Sources: CVE List NVDCWE-399
NVD MITRE
7.8CVSSHIGH
EPSS Score
9.5%
Top 5.2%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

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 Vector Breakdown

AV:NAC:LAu:NC:NI:NA:C
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-399

Affected Products

midnightbsdmidnightbsd
On-prem
Operating Systems / unix-bsd
mirosmirbsd
On-prem
Operating Systems / unix-bsd
netbsdnetbsd
On-premOS
Operating Systems / unix-bsd
openbsdopenbsd
On-premOS
Operating Systems / unix-bsd
n/an/a
midnightbsdoss-projectOperating Systems
mirbsdoss-projectOperating Systemsaka mirbsd
netbsdoss-projectUSOperating Systemsaka netbsd
openbsdoss-projectCAOperating Systemsaka openbsd

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.3/common/013_pf.patch
ftp.openbsd.org
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.asc
ftp.netbsd.org
http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
helith.net
and 9 more references View all →

Timeline

Published
Aug 11, 2009
Last Updated
Apr 23, 2026

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