Microsoft FrontPage 98 Server Extensions fpcount.exe CGI can be remotely crashed
| frontpage-ext-fpcount-crash (5494) |  Medium Risk |
Description:
Microsoft FrontPage 97 and 98 Server Extensions are vulnerable to a buffer overflow in the fpcount.exe utility, which is used to add Web hit counters to site content. By telling the fpcount CGI to generate a large amount of digits for display, a remote attacker can overflow a buffer while the program attempts to process the request, causing the Web server to crash or degrading the performance of the Web server. FrontPage 2000 Server Extentions are not affected by this vulnerability.
Platforms Affected:
- Microsoft, FrontPage Server Extensions 97
- Microsoft, FrontPage Server Extensions 98
Remedy:
For FrontPage 98 Server Extensions: Apply the FrontPage 98b patch, available from the Microsoft Office Update Web site. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Thu, 14 Jan 1999 08:25:28 -0000, MS IIS 4.0 Security Advisory at http://archives.neohapsis.com/archives/bugtraq/1999_1/0181.html.
- Microsoft Office Update, FrontPage 98b Patch at http://office.microsoft.com/downloads/9798/fp98bupd.aspx.
- CVE-1999-1376: Buffer overflow in fpcount.exe in IIS 4.0 with FrontPage Server Extensions allows remote attackers to execute arbitrary commands.
Reported:
Jan 14, 1999
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