CVE-2009-0687 describes a denial-of-service vulnerability in the pf_test_rule function of OpenBSD Packet Filter (PF), affecting OpenBSD 4.2-4.5, NetBSD 5.0 before RC3, MirOS 10 and earlier, and MidnightBSD 0.3-current. Remote attackers can trigger a NULL pointer dereference and system panic by sending crafted IP packets, specifically IPv4 packets with an ICMPv6 payload. This vulnerability has a CVSS score of 7.8 (High), indicating a network-based attack with low complexity and a complete impact on availability. While not listed in CISA KEV, exploit code is publicly available on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.3-currentCPE matchmatch criteria | cpe:2.3:o:midnightbsd:midnightbsd:0.3-current:*:*:*:*:*:*:* | ||
<= 10CPE matchmatch criteria | cpe:2.3:o:mirbsd:miros:*:*:*:*:*:*:*:* | ||
5.0CPE matchmatch criteria | cpe:2.3:o:netbsd:netbsd:5.0:*:*:*:*:*:*:* | ||
4.2CPE matchmatch criteria | cpe:2.3:o:openbsd:openbsd:4.2:*:*:*:*:*:*:* | ||
4.3CPE matchmatch criteria | cpe:2.3:o:openbsd:openbsd:4.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.