Vulnerability in Microsoft Windows 2000
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 · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.822 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.822 · newest: 0.822 · change: 0.000
Affected products
- Microsoft Windows 2000
- Microsoft Windows 2003 Server — versions enterprise, enterprise_64-bit, r2
- Microsoft Windows Nt — versions 4.0
- Microsoft Windows Xp
Public proof-of-concept exploits
References
- www.kb.cert.org/vuls/id/583108 (US Government Resource, third-party-advisory)
- www.us-cert.gov/cas/techalerts/TA04-041A.html (US Government Resource, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:653 (signature, vdb-entry)
- marc.info/ (mailing-list)
- marc.info/ (mailing-list)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:799 (signature, vdb-entry)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:796 (signature, vdb-entry)
- www.kb.cert.org/vuls/id/216324 (US Government Resource, Third Party Advisory, third-party-advisory)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-007 (vendor-advisory)
- marc.info/ (mailing-list)
Frequently asked questions
- What is CVE-2003-0818?
- CVE-2003-0818 is a vulnerability in Microsoft Windows 2000. Published 2004-03-03.
- Is CVE-2003-0818 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.