SEI CERT Oracle Coding Standard for Java

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  1. "." refers to the directory itself.
  2. Inside a directory, the special file name ".." refers to the directory’s directory's parent directory.

In addition to these specific issues, there are a wide variety of operating and file system specific naming conventions which make validation difficult.

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The CERT C Secure Coding Standard

FIO02-C. Canonicalize path names originating from untrusted sources

The CERT C++ Secure Coding Standard

FIO02-CPP. Canonicalize path names originating from untrusted sources

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="f87f0d6e7c22d420-105d0712-449a4e74-a8da9708-bfe2be4d1847f5fabc3900d8"><ac:plain-text-body><![CDATA[

[ISO/IEC TR 24772:2010

http://www.aitcnet.org/isai/]

"Path Traversal [EWR]"

]]></ac:plain-text-body></ac:structured-macro>

MITRE CWE

CWE-171, "Cleansing, Canonicalization, and Comparison Errors"

 

CWE-647, "Use of Non-Canonical URL Paths for Authorization Decisions"

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<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="512110c4c718375a-17972aeb-455e4a18-88f9a92a-2b53425ea2ba8667bc7a85ab"><ac:plain-text-body><![CDATA[

[[API 2006

AA. Bibliography#API 06]]

[method getCanonicalPath()

http://java.sun.com/javase/6/docs/api/java/io/File.html#getCanonicalPath()]

]]></ac:plain-text-body></ac:structured-macro>

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="94f0e8155e4baa74-6bc251f9-43e343be-8fa68e4e-89f1622a410fc391ce838320"><ac:plain-text-body><![CDATA[

[[Harold 1999

AA. Bibliography#Harold 99]]

 

]]></ac:plain-text-body></ac:structured-macro>

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