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Florin Coada
2023-01-09 19:31:15 +00:00
committed by Jonathan Leitschuh
parent 1d7881e03f
commit 4c1c12dd70
1 changed files with 37 additions and 49 deletions
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java/ql/src/Security/CWE/CWE-502/UnsafeDeserialization.qhelp
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@@ -37,55 +37,43 @@ protection measures.
<p>
Recommendations specific to particular frameworks supported by this query:
</p>
<table>
<tbody>
<tr>
<th>Project</th>
<th>Maven Coordinates</th>
<th>Secure by Default</th>
<th>Recommendation</th>
</tr>
<tr>
<td>XMLDecoder</td>
<td>Java Standard Library</td>
<td>No</td>
<td>Do not use with untrusted user input.</td>
</tr>
<tr>
<td>ObjectInputStream</td>
<td>Java Standard Library</td>
<td>No</td>
<td>Use a validating input stream, such as <code>org.apache.commons.io.serialization.ValidatingObjectInputStream</code>.</td>
</tr>
<tr>
<td>FastJson</td>
<td>com.alibaba:fastjson</td>
<td>Partially</td>
<td>Call <code>com.alibaba.fastjson.parser.ParserConfig#setSafeMode</code> with the argument <code>true</code> before deserializing untrusted data.</td>
</tr>
<tr>
<td>SnakeYAML</td>
<td>org.yaml:snakeyaml</td>
<td><a href="https://bitbucket.org/snakeyaml/snakeyaml/wiki/CVE%20&amp;%20NIST.md">No</a> (<a href="https://bitbucket.org/snakeyaml/snakeyaml/issues/561/cve-2022-1471-vulnerability-in">maintainer response</a>)</td>
<td>Pass an instance of <code>org.yaml.snakeyaml.constructor.SafeConstructor</code> to <code>org.yaml.snakeyaml.Yaml</code>'s constructor before using it to deserialize untrusted data.</td>
</tr>
<tr>
<td>FasterXML jackson-databind</td>
<td>com.fasterxml.jackson.core:jackson-databind</td>
<td>Yes</td>
<td>
Don't call <code>com.fasterxml.jackson.databind.ObjectMapper#enableDefaultTyping</code> and don't annotate any object fields with <code>@JsonTypeInfo(CLASS) or @JsonTypeInfo(MINIMAL_CLASS)</code> if untrusted data may be deserialized.
Read <a href="https://cowtowncoder.medium.com/jackson-2-10-safe-default-typing-2d018f0ce2ba">this guide</a>.
</td>
</tr>
<tr>
<td>Kryo</td>
<td>com.esotericsoftware:kryo and com.esotericsoftware:kryo5</td>
<td>com.esotericsoftware:kryo >= 5.0.0 and com.esotericsoftware:kryo5 Yes</td>
<td>Don't call <code>com.esotericsoftware.kryo(5).Kryo#setRegistrationRequired</code> with the argument <code>false</code> on any <code>Kryo</code> instance that may deserialize untrusted data.</td>
</tr>
</tbody>
</table>
<p><b>FastJson</b> - <code>com.alibaba:fastjson</code></p>
<ul>
<li><b>Secure by Default</b>: Partially</li>
<li><b>Recommendation</b>: Call <code>com.alibaba.fastjson.parser.ParserConfig#setSafeMode</code> with the argument <code>true</code> before deserializing untrusted data.</li>
</ul>
<p></p>
<p><b>FasterXML</b> - <code>com.fasterxml.jackson.core:jackson-databind</code></p>
<ul>
<li><b>Secure by Default</b>: Yes</li>
<li><b>Recommendation</b>: Don't call <code>com.fasterxml.jackson.databind.ObjectMapper#enableDefaultTyping</code> and don't annotate any object fields with <code>com.fasterxml.jackson.annotation.JsonTypeInfo</code> passing either the <code>CLASS</code> or <code>MINIMAL_CLASS</code> values to the annotation.
Read <a href="https://cowtowncoder.medium.com/jackson-2-10-safe-default-typing-2d018f0ce2ba">this guide</a>.</li>
</ul>
<p></p>
<p><b>Kryo</b> - <code>com.esotericsoftware:kryo</code> and <code>com.esotericsoftware:kryo5</code></p>
<ul>
<li><b>Secure by Default</b>: Yes for <code>com.esotericsoftware:kryo5</code> and for <code>com.esotericsoftware:kryo</code> >= v5.0.0</li>
<li><b>Recommendation</b>: Don't call <code>com.esotericsoftware.kryo(5).Kryo#setRegistrationRequired</code> with the argument <code>false</code> on any <code>Kryo</code> instance that may deserialize untrusted data.</li>
</ul>
<p></p>
<p><b>ObjectInputStream</b> - <code>Java Standard Library</code></p>
<ul>
<li><b>Secure by Default</b>: No</li>
<li><b>Recommendation</b>: Use a validating input stream, such as <code>org.apache.commons.io.serialization.ValidatingObjectInputStream</code>.</li>
</ul>
<p></p>
<p><b>SnakeYAML</b> - <code>org.yaml:snakeyaml</code></p>
<ul>
<li><b>Secure by Default</b>: No</li>
<li><b>Recommendation</b>: Pass an instance of <code>org.yaml.snakeyaml.constructor.SafeConstructor</code> to <code>org.yaml.snakeyaml.Yaml</code>'s constructor before using it to deserialize untrusted data.</li>
</ul>
<p></p>
<p><b>XML Decoder</b> - <code>Standard Java Library</code></p>
<ul>
<li><b>Secure by Defauly</b>: No</li>
<li><b>Recommendation</b>: Do not use with untrusted user input.</li>
</ul>
<p></p>
</recommendation>
<example>