CVE-2009-0687 Null dereference in n/a

High 7.8 Published Updated

Remote attackers can cause a system panic and denial of service in OpenBSD PF via crafted IP packets triggering a NULL pointer dereference.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2009-0687?

CVE-2009-0687 is a high-severity vulnerability in Netbsd Netbsd, published on 11 Aug 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-399

Which versions are affected by CVE-2009-0687?

It affects 4 products.

Products include Midnightbsd Midnightbsd, Mirbsd Miros, Netbsd Netbsd, Openbsd Openbsd.

How do I fix CVE-2009-0687?

No fix has been published for CVE-2009-0687 yet. Limit exposure of the affected software until one is available.

Is CVE-2009-0687 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2009-0687 exists.

Public exploit code: 3 Exploit-DB entries.

Sources

Also known as GHSA-r7qv-r86r-qrqf.

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