782 : Microsoft IIS / Site Server codebrws.asp Arbitrary File Access
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Info

Last Modified
10 months ago

Percent Complete
100%

Disclosure
May 07, 1999

Discovery
Unknown

Dates

Exploit
May 07, 1999

Solution
Unknown

Description

 Microsoft IIS and Site Server contains a flaw that allows a remote attacker to arbitrary access files outside of the web path. The issue is due to the 'codebrws.asp' script not properly sanitizing user input, specifically traversal style attacks (../../) supplied via the 'source' variable.

Classification

 Location: Remote/Network Access Required
Attack Type: Information Disclosure
Impact: Loss of Confidentiality
Exploit: Exploit Available
Disclosure: OSVDB Verified
OSVDB: Web Related

Solution

 Microsoft has released a patch to address this vulnerability. It is also possible to correct the flaw by implementing the following workaround: Remove the /IISSamples virtual directory when not needed. As a general rule, do not install sample scripts or sample applications on a production server.

Products
Microsoft Corporation
Watch-list
Site Server
Watch-list
 3.0
Internet Information Server
Watch-list
 4.0

References

Tools & Filters

Nikto

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Nessus

 10956

Manual Testing Notes

Credit
  • Parcens -

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