National Cyber-Alert System
Vulnerability Summary for CVE-2003-0818
Original release date:03/03/2004
Last revised:09/10/2008
Source:
US-CERT/NIST
Overview
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
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Technical Alert: TA04-041A
Name: TA04-041A
US-CERT Technical Alert: TA04-041A
Name: TA04-041A
US-CERT Vulnerability Note: VU#583108
Name: VU#583108
US-CERT Vulnerability Note: VU#216324
Name: VU#216324
Type: Advisory
US-CERT Technical Alert: TA04-041A
Name: TA04-041A
External Source: MS
Name: MS04-007
Type: Advisory; Patch Information
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Length Overflow Heap Corruption
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Length Overflow Heap Corruption
External Source: NTBUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Length Overflow Heap Corruption
External Source: BUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: BUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: BUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Bit String Heap Corruption
External Source: BUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Length Overflow Heap Corruption
External Source: BUGTRAQ
Name: 20040210 EEYE: Microsoft ASN.1 Library Length Overflow Heap Corruption
US Government Resource: oval:org.mitre.oval:def:799
Name: oval:org.mitre.oval:def:799
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:797
Name: oval:org.mitre.oval:def:797
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:796
Name: oval:org.mitre.oval:def:796
Type: Tool Signature
US Government Resource: oval:org.mitre.oval:def:653
Name: oval:org.mitre.oval:def:653
Type: Tool Signature
