CVE-2002-0515: Medium severity Darren Reed IPFilter vulnerability
Published Jun 11, 2002
·Updated
IPFilter 3.4.25 and earlier sets a different TTL when a port is being filtered than when it is not being filtered, which allows remote attackers to identify filtered ports by comparing TTLs.
Affected Software
2 affected components
Darren Reed IPFilter=3.4.25
Phildev Ipfilter<=3.4.25
Event History
Jun 11, 2002
CVE Published
via MITRE·08:00 AM
Data Sourced
via MITRE·08:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2002-0515?
CVE-2002-0515 is considered a medium severity vulnerability due to its potential to allow remote attackers to identify filtered ports.
2
How do I fix CVE-2002-0515?
To fix CVE-2002-0515, upgrade to a later version of IPFilter that addresses the TTL inconsistency.
3
What systems are affected by CVE-2002-0515?
CVE-2002-0515 affects IPFilter versions 3.4.25 and earlier, including variants from Darren Reed and Phildev.
4
What is the impact of CVE-2002-0515?
The impact of CVE-2002-0515 is that it allows attackers to determine which ports are being filtered by analyzing TTL values.
5
Is CVE-2002-0515 exploitable remotely?
Yes, CVE-2002-0515 is exploitable remotely, making it a concern for network security.