Description
Buffer overflow in ssinc.dll in IIS 5.0 and 4.0 allows local users to gain system privileges via a Server-Side Includes (SSI) directive for a long filename, which triggers the overflow when the directory name is added, aka the "SSI privilege elevation" vulnerability.
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 IIS 4.0/5.0 - SSI Buffer Overrun Privilege Escalation EDB-21071 · local · Aug 15, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20011127 IIS Server Side Include Buffer overflow exploit code mailing-list
- 20010817 NSFOCUS SA2001-06 : Microsoft IIS ssinc.dll Buffer Overflow Vulnerability mailing-list
- 3190 vdb-entry
- iis-ssi-directive-bo(6984) vdb-entry
- L-132 third-party-advisory government-resource
- MS01-044 vendor-advisory