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Status published
Medium
CVE-2004-1109
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier...
Vulnerability Description
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
kerio
View all reports →Affected Software
personal firewall
Vulnerable Versions:
4.0.6, 4.0.7, 4.0.8, 4.0.9, 4.0.10, 4.0.16, 4.1, 4.1.1
Timeline
Official Publish:
December 1st, 2004
Last Modified:
August 8th, 2024
Added to House:
July 18th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.