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| CodeSonar® 9.2p0 | CONFIDENTIAL | CodeSecure Inc |
A method call to XSL transformation might resolve external URIs.
This checker finds code that parses XML files without turning off the loading and parsing of external entities referenced in the XML files. This can lead to security problems, since such entities might be downloaded from insecure servers or from servers that lead to out of memory or denial of service. As OWASP puts it, An XML External Entity attack is a type of attack against an application that parses XML input. This attack occurs when XML input containing a reference to an external entity is processed by a weakly configured XML parser. This attack may lead to the disclosure of confidential data, denial of service, server side request forgery, port scanning from the perspective of the machine where the parser is located, and other system impacts.
| Class Name | Insecure XSLT Execution (Java) | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Significance | security | |||||||||||||||||||||
| Mnemonic | JAVA.LIB.XML.INSEC_XSLT | |||||||||||||||||||||
| Categories |
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| Availability | Available for Java and Kotlin. |
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| Enabling | Checks for this warning class are enabled by
default. To disable them, add the following WARNING_FILTER rule to the
project configuration file.
WARNING_FILTER += discard class="Insecure XSLT Execution (Java)" |
Turn off the automatic resolution and download of external entities referenced from XML files, before parsing such files. This can be done in different ways, depending on the kind of XML parser that is used. Check here for the correct solution for each kind of parsers.
The following configuration file parameters affect checks for this warning class.
To report problems with this documentation, please visit https://support.codesecure.com/.
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