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| -rw-r--r-- | doc/implementation_notes.md | 8 |
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diff --git a/doc/implementation_notes.md b/doc/implementation_notes.md index b763835..3b8e49d 100644 --- a/doc/implementation_notes.md +++ b/doc/implementation_notes.md | |||
| @@ -61,3 +61,11 @@ Images handling | |||
| 61 | When possible, images are handled like PDF: rendered on a surface, then saved | 61 | When possible, images are handled like PDF: rendered on a surface, then saved |
| 62 | to the filesystem. This ensures that every metadata is removed. | 62 | to the filesystem. This ensures that every metadata is removed. |
| 63 | 63 | ||
| 64 | XML attacks | ||
| 65 | ----------- | ||
| 66 | |||
| 67 | Since our thread model conveniently excludes files crafted to specifically | ||
| 68 | bypass MAT2, fileformats containing harmful XML are out of our scope. | ||
| 69 | But since MAT2 is using [etree](https://docs.python.org/3/library/xml.html#xml-vulnerabilities) | ||
| 70 | to process XML, it's "only" vulnerable to DoS, and not memory corruption: | ||
| 71 | odds are that the user will notice that the cleaning didn't succeed. | ||