jay jaycyb
jaycyb
/ BatchOverflow.sol
Created
April 26, 2018 18:01
Simplified reproduction of the BatchOverflow vulnerability (CVE-2018–10299)
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| pragma solidity ^0.4.15; | |
| contract BatchOverflow { | |
| mapping (address => uint8) balances; | |
| event Transfer(address indexed _from, address indexed _to, uint8 _value); | |
| function transferProxy(address _from, address _to, uint8 _value, uint8 _feeGg) public payable returns (bool){ |
jaycyb
/ install_ansible_1liner.ps1
Created
May 19, 2016 09:16
Install Ansible on a Windows machine (requires powershell 3.0+)
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| Set-ExecutionPolicy RemoteSigned; (New-Object System.Net.WebClient).DownloadFile("https://raw.githubusercontent.com/ansible/ansible/devel/examples/scripts/ConfigureRemotingForAnsible.ps1", "ConfigureRemotingForAnsible.ps1"); & ./ConfigureRemotingForAnsible.ps1 |
jaycyb
/ install_ansible.ps1
Last active
May 20, 2016 02:39
Install Ansible on a Windows machine (requires powershell 3.0+)
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| #Run as admin | |
| if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) | |
| { | |
| Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs | |
| exit | |
| } | |
| Set-ExecutionPolicy RemoteSigned | |
| Write-Output "Downloading Ansible Installation Script" |
jaycyb
/ iptables-dns-limit.sh
Created
February 18, 2016 06:01
Mitigation of vulnerability CVE-2015-7547
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| #!/bin/bash | |
| # vulnerability CVE-2015-7547 | |
| # UDP rule: drops DNS packets > 512 bytes | |
| # TCP rule: limit all replies to 1024 bytes | |
| # http://arstechnica.com/security/2016/02/extremely-severe-bug-leaves-dizzying-number-of-apps-and-devices-vulnerable/ | |
| # https://habrahabr.ru/company/pt/blog/277383/#comment_8775611 | |
| sudo iptables -N UDP-DNS-LIMIT | |
| sudo iptables -N TCP-DNS-LIMIT |