The Savant Web Server v3.0 for Windows 95, 98, ME, NT, and 2000 has a remotely exploitable buffer overflow. Fix available at https://savant.sourceforge.net.
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Savant Webserver Buffer Overflow Vulnerability
Type:
DoS, crashes Daemon
Release Date:
January 5, 2002
Product / Vendor:
Savant is a freeware open source web server that runs on Windows 95,
98, ME, NT, and 2000, turning any desktop computer into a powerful
web server. Designed to be fast, secure, and efficient, Savant is
the choice of thousands of professional and amateur webmasters
worldwide.
https://savant.sourceforge.net
Summary:
Server crashes after sending very long parameter a few times.
https://host/cgi-bin/cgi-test.pl.......................................
......................................................................
......................................................................
...........................................................
The instruction at "0x002e2e3d" referenced memory at "0xac40303c".
The memory could not be "written".
Log:
Error File: <error.txt>
- -
- -
- -
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: TCP buffer overflow
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Error: Failure to create CGI Process
Tested:
Windows 2000 / Savant 3.0
Vulnerable:
Savant 3.0 (And may be other)
Disclaimer:
https://www.securityoffice.net is not responsible for the misuse or
illegal use of any of the information and/or the software listed on
this security advisory.
Author:
Tamer Sahin
ts@securityoffice.net
https://www.securityoffice.net
Tamer Sahin
https://www.securityoffice.net
PGP Key ID: 0x2B5EDCB0 Fingerprint:
B96A 5DFC E0D9 D615 8D28 7A1B BB8B A453 2B5E DCB0
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