Vulnerability Monitor

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CVE-2005-3945

The SynAttackProtect protection in Microsoft Windows 2003 before SP1 and Windows 2000 before SP4 with Update Roll-up uses a hash of predictable data, which allows remote attackers to cause a denial of service (CPU consumption) via a flood of SYN packets that produce identical hash values, which slows down the hash table lookups.

Published

2005-12-01T06:03:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    NVD-CWE-Other
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System microsoft windows_2000 * Yes
Operating System microsoft windows_2000 * Yes
Operating System microsoft windows_2000 * Yes
Operating System microsoft windows_2000 * Yes
Operating System microsoft windows_2000 * Yes
Operating System microsoft windows_2003_server enterprise Yes
Operating System microsoft windows_2003_server r2 Yes
Operating System microsoft windows_2003_server standard Yes
Operating System microsoft windows_2003_server web Yes
References