CVE-2002-1744 : Detail

CVE-2002-1744

3.74%V3
Network
2005-06-21
02h00 +00:00
2017-07-10
12h57 +00:00
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CVE Descriptions

Directory traversal vulnerability in CodeBrws.asp in Microsoft IIS 5.0 allows remote attackers to view source code and determine the existence of arbitrary files via a hex-encoded "%c0%ae%c0%ae" string, which is the Unicode representation for ".." (dot dot).

CVE Informations

Metrics

Metrics Score Severity CVSS Vector Source
V2 5 AV:N/AC:L/Au:N/C:P/I:N/A:N [email protected]

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

Exploit information

Exploit Database EDB-ID : 21385

Publication date : 2002-04-15 22h00 +00:00
Author : H D Moore
EDB Verified : Yes

source: https://www.securityfocus.com/bid/4525/info Microsoft IIS 5.0 ships with a sample script that may be used to view the source code of other scripts in the sample scripts (/IISSAMPLES) directory. However, this script (CodeBrws.asp) does not adequately filter unicode representations of directory traversals. For example, an attacker can break out of the sample script directory by substituting '%c0%ae%c0%ae' for '..' in a dot-dot-slash directory traversal attack. It has been demonstrated that this issue may be exploited to map out the directory structure of the filesystem on a host running the vulnerable script. http://target/iissamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/default.asp The following example was also provided to demonstrate that the directory structure may be mapped out using this vulnerability: Request: http://target/IISSamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/%c0%ae%c0%ae/bogus_directory/nonexistent.asp Response: Microsoft VBScript runtime (0x800A004C) Path not found Request: http://target/IISSamples/sdk/asp/docs/CodeBrws.asp?Source=/IISSAMPLES/%c0%ae%c0%ae/%c0%ae%c0%ae/oracle/nonexistant.asp Response: Microsoft VBScript runtime (0x800A0035) File not found

Products Mentioned

Configuraton 0

Microsoft>>Internet_information_services >> Version 5.0

References

http://online.securityfocus.com/archive/1/267945
Tags : mailing-list, x_refsource_BUGTRAQ
http://online.securityfocus.com/archive/1/268065
Tags : mailing-list, x_refsource_BUGTRAQ
http://www.securityfocus.com/bid/4525
Tags : vdb-entry, x_refsource_BID