Perl validating xml with dtd
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In some situations, an XML processor library that is vulnerable to client-side memory corruption issues may be exploited by dereferencing a malicious URI, possibly allowing arbitrary code execution under the application account.Other attacks can access local resources that may not stop returning data, possibly impacting application availability if too many threads or processes are not released.
Because it is based on Xerces-C, XML:: Xerces provides a validating XML parser that makes it easy to give your application the ability to read and write XML data.The exception is some functions in the C API which either have better Perl counterparts (such as file I/O) or which manipulate internal C information that has no role in the Perl module.The majority of the API is created automatically using Simplified Wrapper Interface Generator (SWIG). To view all vulnerabilities, please see the Vulnerability Category page.Last revision (mm/dd/yy): 10/14/2017 Vulnerabilities Table of Contents An XML External Entity attack is a type of attack against an application that parses XML input.The XML 1.0 standard defines the structure of an XML document.
The standard defines a concept called an entity, which is a storage unit of some type.However, care has been taken to make most method invocations natural to perl programmers, so a number of rough C edges have been smoothed over (See the Special Perl API Features section).The online users mailing list is the place for any questions.It is at: [email protected] code has been tested on the following platforms: XML:: Xerces now supports Unicode.Since Unicode support wasn't added to Perl until 5.6.0, you will need to upgrade in order to use this and future versions of XML:: Xerces.Similar attack vectors apply the usage of external DTDs, external stylesheets, external schemas, etc.