Vulnerability Monitor

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CVE-2003-0818

Multiple integer overflows in Microsoft ASN.1 library (MSASN1.DLL), as used in LSASS.EXE, CRYPT32.DLL, and other Microsoft executables and libraries on Windows NT 4.0, 2000, and XP, allow remote attackers to execute arbitrary code via ASN.1 BER encodings with (1) very large length fields that cause arbitrary heap data to be overwritten, or (2) modified bit strings.

Published

2004-03-03T05:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

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

10.0

Impact Score

6.4

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_2003_server enterprise Yes
Operating System microsoft windows_2003_server enterprise_64-bit Yes
Operating System microsoft windows_2003_server r2 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
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_nt 4.0 Yes
Operating System microsoft windows_xp * Yes
Operating System microsoft windows_xp * Yes
Operating System microsoft windows_xp * Yes
Operating System microsoft windows_xp * Yes
Operating System microsoft windows_xp * Yes
References