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CVE-2002-0514

Published

21 years ago

Last Modified

2 months ago

CVSSv2.0 Severity

Medium

Impact Analysis

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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..

CVSSv2.0 Score

Severity: Medium
Base Score: 5/10
Exploit Score: 10/10
Access Vector: Network
Access Complexity: Low
Authentication Required: None
Impact Score: 2.9/10
Confidentiality Impact: Partial
Availability Impact: None
Integrity Impact: None

Products Affected

CPE	Affected	Vulnerable	Excluding	Edit
cpe:2.3:o:openbsd:openbsd:3.0:::::::*	Yes	-	-

References

http://www.iss.net/security_center/static/8738.php
http://www.securityfocus.com/bid/4401
http://www.securityfocus.com/archive/1/265188