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.
Metrics
CVSS 2.0 7.8/10
AV:N/AC:L/Au:N/C:N/I:N/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.ascVendor Advisory
- http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
- http://www.openbsd.org/errata43.html#013_pfPatch, Vendor Advisory
- http://www.openbsd.org/errata44.html#013_pfPatch, Vendor Advisory
- http://www.openbsd.org/errata45.html#002_pfPatch, Vendor Advisory
- http://www.osvdb.org/53608
- http://www.securityfocus.com/archive/1/502634
- http://www.vupen.com/english/advisories/2009/1015Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49837
- https://www.exploit-db.com/exploits/8406
- https://www.exploit-db.com/exploits/8581
- http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2009-001.txt.ascVendor Advisory
- http://www.helith.net/txt/multiple_vendor-PF_null_pointer_dereference.txt
- http://www.openbsd.org/errata43.html#013_pfPatch, Vendor Advisory
- http://www.openbsd.org/errata44.html#013_pfPatch, Vendor Advisory
- http://www.openbsd.org/errata45.html#002_pfPatch, Vendor Advisory
- http://www.osvdb.org/53608
- http://www.securityfocus.com/archive/1/502634
- http://www.vupen.com/english/advisories/2009/1015Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/49837
- https://www.exploit-db.com/exploits/8406
- https://www.exploit-db.com/exploits/8581
Timeline
- Published
- Aug 11, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified