Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2003-0818

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
03/03/2004
Last modified:
03/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
7.50
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2000:*:sp3:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:enterprise:*:64-bit:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:enterprise_64-bit:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:r2:*:64-bit:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:r2:*:datacenter_64-bit:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:standard:*:64-bit:*:*:*:*:*
cpe:2.3:o:microsoft:windows_2003_server:web:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:terminal_server:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:*:workstation:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:*
cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools