CVE-2002-0514

Public Exploit

Description

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.55% Top 20%
Vendor Advisory iss.net Vendor Advisory securityfocus.com Vendor Advisory securityfocus.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/4401 vendor advisory exploit vdb entry third party advisory broken link
http://www.securityfocus.com/archive/1/265188 mailing list vendor advisory vdb entry third party advisory broken link
http://www.iss.net/security_center/static/8738.php vdb entry broken link vendor advisory

Frequently Asked Questions

What is the severity of CVE-2002-0514?
CVE-2002-0514 has been scored as a medium severity vulnerability.
How to fix CVE-2002-0514?
To fix CVE-2002-0514, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2002-0514 being actively exploited in the wild?
It is possible that CVE-2002-0514 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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