Accidental Offensive Security: Analysis of Buffer Overrun in a Security Tool

Note: I originally posted this blog entry on the Aspect Security blog around 2017-03-16. I am mirroring it here with only formatting changes. Introduction During a project working with Hydra, a Network Login Auditor, we discovered and corrected a buffer overrun issue with possible security implications that might include the auditor being attacked by the… Read More

Image Location & Privacy Scanner v0.4

New Version: Image Location & Privacy Scanner v0.4 I have completed another update of the Image Location & Privacy Scanner, a plugin for Burp or OWASP ZAP security proxy tools. More camera types have their serial numbers detected. With some Panasonic camera, it will also give the name and age of the person in the… Read More

PolarSSL Security Snowstorm – Tools Could Not Save Us

Note: I originally posted this blog entry on the Aspect Security blog around 2015-02-13. I am mirroring it here with only formatting changes. Introduction The spat of SSL and TLS issues over the last year have caused concern about the quality of the encrypted tunnel in Internet communications. The various creatively named BEAST, CRIME, &… Read More

Remove Insecure HTTP Headers

New technologies: HAProxy! This page is a collection of instructions to remove unnecessary server headers which may be reported as part of a Penetration Test performed by a security engineer or reported via automated tools. I have catalogued these remediation instructions for many technologies in this single site to save the vast amounts of searching… Read More

Time to Euthanize “Pragma: no-cache”

Modern Cache Directives As part of each website security vulnerability assessment performed, the security researcher will check that proper caching directives are implemented. In situations where the most extreme “never cache this data” is required, the gold standard HTTP headers recommended by infosec professionals everywhere is:

This advice is problematic and here in this… Read More

Insecure HTTP Header Removal (old version)

A massively updated version of this post is over at https://veggiespam.com/headers/. This page is a collection of instructions to remove unnecessary server headers which may be reported as part of a Penetration Test performed by a security engineer or reported via automated tools. I have catalogued these remediation instructions for many technologies in one place… Read More

Challenge/Response Fail

Here in an example of a recent challenge/response form found on a system not to be named. Answer to What was your first pets name? is too short. Answers must be between 5 and 255, Sigh. Chip, Ted, Lola, Opus, Kiki, C (the letter, not the language).… Read More

Accidental Offensive Security: Analysis of Buffer Overrun in a Security Tool

During a project working with Hydra, a Network Login Auditor, we discovered and corrected a buffer overrun issue with possible security implications that might include the auditor being attacked by the auditee. TL;DR Attacker using Hydra or Medusa can get pwn’d by the victim website responding with remote code execution via buffer overrun exploit.… Read More

Image Location & Privacy Scanner v0.3

Announcement: Image Location & Privacy Scanner v0.3 I have completed a large update of the Image Location Scanner software; so many new features in fact, it gets a new name: “Image Location & Privacy Scanner”. It now detect serial number from the cameras in scanned images and even the camera owner’s name from some Canon… Read More

How to track down your Ex(if) – talk given 26 feb 2015

How To Track Down Your Ex(if) Adding Jpeg Exif detection to your penetration regiment and learning how to practice Safe (s)Exif Abstract:  We unintentionally distribute GPS data with every photograph, including indoor pictures. This talk will describe a real-world scenario involving remote education site where teachers & students exposed their confidential home address via profile… Read More