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JavaScript: Improve XSS sanitizer detection.

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We now use local data flow to detect more regexp-based sanitizers.
This commit is contained in:
Max Schaefer
2019-09-23 16:53:08 +01:00
parent 22e57a6559
commit d4fca84898
3 changed files with 9 additions and 6 deletions
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6
change-notes/1.23/analysis-javascript.md
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@@ -22,14 +22,16 @@
| **Query** | **Expected impact** | **Change** |
|--------------------------------|------------------------------|---------------------------------------------------------------------------|
| Incomplete string escaping or encoding (`js/incomplete-sanitization`) | Fewer false-positive results | This rule now recognizes additional ways delimiters can be stripped away. |
| Client-side cross-site scripting (`js/xss`) | More results | More potential vulnerabilities involving functions that manipulate DOM attributes are now recognized. |
| Client-side cross-site scripting (`js/xss`) | More results, fewer false-positive results | More potential vulnerabilities involving functions that manipulate DOM attributes are now recognized, and more sanitizers are detected. |
| Code injection (`js/code-injection`) | More results | More potential vulnerabilities involving functions that manipulate DOM event handler attributes are now recognized. |
| Hard-coded credentials (`js/hardcoded-credentials`) | Fewer false-positive results | This rule now flags fewer password examples. |
| Illegal invocation (`js/illegal-invocation`) | Fewer false-positive results | This rule now correctly handles methods named `call` and `apply`. |
| Incorrect suffix check (`js/incorrect-suffix-check`) | Fewer false-positive results | The query recognizes valid checks in more cases.
| Incorrect suffix check (`js/incorrect-suffix-check`) | Fewer false-positive results | The query recognizes valid checks in more cases. |
| Network data written to file (`js/http-to-file-access`) | Fewer false-positive results | This query has been renamed to better match its intended purpose, and now only considers network data untrusted. |
| Password in configuration file (`js/password-in-configuration-file`) | Fewer false-positive results | This rule now flags fewer password examples. |
| Prototype pollution (`js/prototype-pollution`) | More results | The query now highlights vulnerable uses of jQuery and Angular, and the results are shown on LGTM by default. |
| Reflected cross-site scripting (`js/reflected-xss`) | Fewer false-positive results | The query now recognizes more sanitizers. |
| Stored cross-site scripting (`js/stored-xss`) | Fewer false-positive results | The query now recognizes more sanitizers. |
| Uncontrolled command line (`js/command-line-injection`) | More results | This query now treats responses from servers as untrusted. |
## Changes to QL libraries