From 90db8b0f112c0645320759255fd64ba4b9b67af5 Mon Sep 17 00:00:00 2001 From: Vladislav Nechakhin Date: Thu, 7 Feb 2019 14:59:22 +0700 Subject: [PATCH] Update exif_imagetype bypass --- Upload insecure files/PHP .htaccess/README.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Upload insecure files/PHP .htaccess/README.md b/Upload insecure files/PHP .htaccess/README.md index 79eff91..30b059d 100644 --- a/Upload insecure files/PHP .htaccess/README.md +++ b/Upload insecure files/PHP .htaccess/README.md @@ -27,9 +27,9 @@ AddType application/x-httpd-php .htaccess # .htaccess upload as image -If the exif_imagetype function is used on the server side to determine the image type, create a .htaccess/image polyglot. +If the `exif_imagetype` function is used on the server side to determine the image type, create a `.htaccess/image` polyglot. -[Supported image types](http://php.net/manual/en/function.exif-imagetype.php#refsect1-function.exif-imagetype-constants) include [X BitMap (XBM)](https://en.wikipedia.org/wiki/X_BitMap) and [WBMP](https://en.wikipedia.org/wiki/Wireless_Application_Protocol_Bitmap_Format). In .htacces ignoring lines starting with `\x00` and `#`, you can use these scripts for generate a valid .htaccess/image polyglot. +[Supported image types](http://php.net/manual/en/function.exif-imagetype.php#refsect1-function.exif-imagetype-constants) include [X BitMap (XBM)](https://en.wikipedia.org/wiki/X_BitMap) and [WBMP](https://en.wikipedia.org/wiki/Wireless_Application_Protocol_Bitmap_Format). In `.htaccess` ignoring lines starting with `\x00` and `#`, you can use these scripts for generate a valid `.htaccess/image` polyglot. ```python # create valid .htaccess/xbm image @@ -63,4 +63,4 @@ with open('.htaccess', 'wb') as htaccess: * [ATTACKING WEBSERVERS VIA .HTACCESS - By Eldar Marcussen](http://www.justanotherhacker.com/2011/05/htaccess-based-attacks.html) * [Protection from Unrestricted File Upload Vulnerability](https://blog.qualys.com/securitylabs/2015/10/22/unrestricted-file-upload-vulnerability) -* [Writeup to l33t-hoster task, Insomnihack Teaser 2019/](http://corb3nik.github.io/blog/insomnihack-teaser-2019/l33t-hoster) +* [Writeup to l33t-hoster task, Insomnihack Teaser 2019](http://corb3nik.github.io/blog/insomnihack-teaser-2019/l33t-hoster)