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Last updated: 7/24/2014 3:57:30 PM

CVE Publication rate: 19.6

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National Cyber Awareness System

Vulnerability Summary for CVE-2005-0740

Original release date: 01/13/2005
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

The TCP stack (tcp_input.c) in OpenBSD 3.5 and 3.6 allows remote attackers to cause a denial of service (system panic) via crafted values in the TCP timestamp option, which causes invalid arguments to be used when calculating the retransmit timeout.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: OPENBSD
Name: 20050111 027: RELIABILITY FIX: January 11, 2005
Type: Advisory; Patch Information
External Source: SECTRACK
Name: 1012861
Type: Advisory; Patch Information
External Source: BID
Name: 12250
Type: Advisory; Patch Information; Exploit
External Source: SECUNIA
Name: 13819

Technical Details

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