CVE-2003-1491: Code Injection
Published Dec 31, 2003
·Updated
Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.
Affected Software
1 affected component
Kerio Personal Firewall=2.1.4
Event History
Dec 31, 2003
CVE Published
05:00 AM
Data Sourced
via NVD·05:00 AM
DescriptionSeverityWeaknessAffected Software
Oct 25, 2007
CVE Published
via MITRE·03:00 AM
Data Sourced
via MITRE·03:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2003-1491?
CVE-2003-1491 has a medium severity level, allowing attackers to bypass firewall configurations.
2
How do I fix CVE-2003-1491?
To fix CVE-2003-1491, you should modify the firewall rules to block incoming packets with a source port of 53.
3
What type of attacks does CVE-2003-1491 enable?
CVE-2003-1491 allows remote attackers to exploit the firewall vulnerability by sending spoofed packets that bypass filtering.
4
Which versions of Kerio Personal Firewall are affected by CVE-2003-1491?
CVE-2003-1491 specifically affects Kerio Personal Firewall version 2.1.4.
5
Is there a workaround for CVE-2003-1491?
A temporary workaround for CVE-2003-1491 is to disable the accept rule for incoming DNS packets until a fix is implemented.