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Merge pull request #2231 from semmledocs-ac/newqueries-docscheck
CPP & C#: Review of qhelp (SD-4028)
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@@ -14,7 +14,7 @@ byte order function, such as <code>ntohl</code>.
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The use of a network-to-host byte order function is therefore a good indicator that the returned
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value is unvalidated data retrieved from the network, and should not be used without further
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validation. In particular, the returned value should not be used as an array index or array length
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value without validation, which may result in a buffer overflow vulnerability.
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value without validation, as this could result in a buffer overflow vulnerability.
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</p>
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</overview>
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@@ -37,7 +37,7 @@ which is then subsequently accessed to fetch properties of the device. However,
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check the return value from the function call to <code>initDeviceConfig</code>. If the
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device number passed to the <code>notify</code> function was invalid, the
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<code>initDeviceConfig</code> function will leave the <code>config</code> variable uninitialized,
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which would result in the <code>notify</code> function accessing uninitialized memory.</p>
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which will result in the <code>notify</code> function accessing uninitialized memory.</p>
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<sample src="ConditionallyUninitializedVariableBad.c" />
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@@ -2,7 +2,7 @@
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* @name Conditionally uninitialized variable
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* @description When an initialization function is used to initialize a local variable, but the
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* returned status code is not checked, the variable may be left in an uninitialized
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* state, and reading the variable may result in undefined behaviour.
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* state, and reading the variable may result in undefined behavior.
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* @kind problem
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* @problem.severity warning
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* @opaque-id SM02313
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@@ -36,10 +36,10 @@ which ensures the content is appropriately escaped.</p>
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<references>
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<li>
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<a href="http://projects.webappsec.org/w/page/13247004/XML%20Injection">XML Injection</a> (The Web Application Security Consortium).
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Web Application Security Consortium: <a href="http://projects.webappsec.org/w/page/13247004/XML%20Injection">XML Injection</a>.
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</li>
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<li>
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<a href="https://docs.microsoft.com/en-us/dotnet/api/system.xml.xmlwriter.writeraw?view=netframework-4.8">WriteRaw</a> (Microsoft documentation).
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Microsoft Docs: <a href="https://docs.microsoft.com/en-us/dotnet/api/system.xml.xmlwriter.writeraw?view=netframework-4.8">WriteRaw</a>.
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</li>
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</references>
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</qhelp>
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@@ -14,7 +14,7 @@ was not intended to be loaded, and executing arbitrary code.
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<p>
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Avoid loading assemblies based on user provided input. If this is not possible, ensure that the path
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is validated before being used with <code>Assembly</code>. For example, compare the provided input
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against a whitelist of known safe assemblies, or confirm that path is restricted to a single
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against a whitelist of known safe assemblies, or confirm that the path is restricted to a single
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directory which only contains safe assemblies.
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</p>
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</recommendation>
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@@ -30,8 +30,8 @@ is only loaded if the user input matches one of those options.</p>
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</example>
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<references>
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<li>
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<a href="https://docs.microsoft.com/en-us/dotnet/api/system.reflection.assembly?view=netframework-4.8">System.Reflection.Assembly</a> (Microsoft documentation).
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<li>Microsoft:
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<a href="https://docs.microsoft.com/en-us/dotnet/api/system.reflection.assembly?view=netframework-4.8">System.Reflection.Assembly</a>.
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</li>
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</references>
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</qhelp>
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@@ -1,6 +1,6 @@
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/**
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* @name Do not use hard-coded encryption keys.
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* @description The .Key property or rgbKey parameter of a SymmetricAlgorithm should never be a hardcoded value.
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* @name Hard-coded encryption key
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* @description The .Key property or rgbKey parameter of a SymmetricAlgorithm should never be a hard-coded value.
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* @kind problem
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* @id cs/hardcoded-key
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* @problem.severity error
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@@ -3,7 +3,6 @@
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"qhelp.dtd">
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<qhelp>
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<overview>
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<p>Finds uses of insecure SQL Connections string by not enabling the <code>Encrypt</code> option.</p>
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<p>
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SQL Server connections where the client is not enforcing the encryption in transit are susceptible to multiple attacks, including a man-in-the-middle, that would potentially compromise the user credentials and/or the TDS session.
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@@ -29,18 +28,17 @@
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</example>
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<references>
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<li>
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<a href="https://blogs.msdn.microsoft.com/sql_protocols/2009/10/19/selectively-using-secure-connection-to-sql-server/">Selectively using secure connection to SQL Server</a>
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<li>Microsoft, SQL Protocols blog:
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<a href="https://blogs.msdn.microsoft.com/sql_protocols/2009/10/19/selectively-using-secure-connection-to-sql-server/">Selectively using secure connection to SQL Server</a>.
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</li>
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<li>
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<a href="https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.connectionstring(v=vs.110).aspx">Net SqlClient (ADO .Net)</a>
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<li>Microsoft:
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<a href="https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlconnection.connectionstring(v=vs.110).aspx">SqlConnection.ConnectionString Property</a>.
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</li>
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<li>Microsoft:
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<a href="https://msdn.microsoft.com/en-us/library/ms130822.aspx">Using Connection String Keywords with SQL Server Native Client</a>.
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</li>
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<li>Microsoft:
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<a href="https://msdn.microsoft.com/en-us/library/ms378988(v=sql.110).aspx">Setting the connection properties</a>.
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</li>
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<li><a href="https://msdn.microsoft.com/en-us/library/ms130822.aspx">SQL native driver (SNAC)</a>
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</li>
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<li>
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<a href="https://msdn.microsoft.com/en-us/library/ms378988(v=sql.110).aspx">JDBC driver</a>
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</li>
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</references>
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</qhelp>
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@@ -1,6 +1,6 @@
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/**
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* @name Insecure SQL connection
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* @description TODO.
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* @description Using an SQL Server connection without enforcing encryption is a security vulnerability.
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* @kind path-problem
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* @id cs/insecure-sql-connection
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* @problem.severity error
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