Description
Microsoft Windows 98 and Windows NT 4.0 do not properly verify the Basic Constraints of digital certificates, allowing remote attackers to execute code, aka "New Variant of Certificate Validation Flaw Could Enable Identity Spoofing" (CAN-2002-0862).
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Microsoft Internet Explorer 5/6 / Konqueror 2.2.2/3.0 / Weblogic Server 5/6/7 - Invalid X.509 Certificate Chain EDB-21692 · remote · Aug 6, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- ssl-ca-certificate-spoofing(9776) vdb-entry
- MS02-050 vendor-advisory
- 5410 vdb-entry
- oval:org.mitre.oval:def:2108 vdb-entry signature
- oval:org.mitre.oval:def:1455 vdb-entry signature
- oval:org.mitre.oval:def:1059 vdb-entry signature