Unrated severityNVD Advisory· Published Mar 3, 2004· Updated Jun 16, 2026
CVE-2003-0818
CVE-2003-0818
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
39cpe:2.3:o:microsoft:windows_2000:*:*:*:*:*:*:*:*+ 3 more
- 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:*:*:*:*:*+ 5 more
- 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:*:*:*:*:*+ 22 more
- cpe:2.3:o:microsoft:windows_nt:4.0:*:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp1:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp2:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp3:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp4:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp4:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp4:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp5:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp5:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp5:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6a:workstation:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6:server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6:terminal_server:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_nt:4.0:sp6:workstation:*:*:*:*:*
- 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_xp:*:*:64-bit:*:*:*:*:*+ 4 more
- cpe:2.3:o:microsoft:windows_xp:*:*:64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:gold:professional:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:*:home:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp1:64-bit:*:*:*:*:*
- cpe:2.3:o:microsoft:windows_xp:*:sp1:home:*:*:*:*:*
Patches
Vulnerability mechanics
References
12- www.kb.cert.org/vuls/id/216324nvdThird Party AdvisoryUS Government Resource
- www.kb.cert.org/vuls/id/583108nvdUS Government Resource
- www.us-cert.gov/cas/techalerts/TA04-041A.htmlnvdUS Government Resource
- marc.infonvd
- marc.infonvd
- marc.infonvd
- marc.infonvd
- docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-007nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A653nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A796nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A797nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A799nvd
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