Compass Security Blog

Offensive Defense

Category: Penetration Test (page 1 of 3)

Hardwear.io 2017

Recently our analysts have been spending increasing amounts of time on IoT security. More specifically looking at the Tensilica Xtensa microcontroller architecture, and even more specifically at the Mongoose OS embedded operating system. With some public (CVE-2017-7185), and some not yet disclosed advisories (watch this space for Dobin Rutishauser’s work), we are happy to announce that […]

Continue reading

JWT Burp Extension

JSON Web Token, or more commonly known as JWT,  is an open standard [1] that defines a compact and self-contained structure for securely transmitting information between multiple parties. The contained information can be verified and trusted through digital signatures. JWTs can be integrity protected using a secret using the HMAC algorithm or a public / private […]

Continue reading

SharePoint: Collaboration vs. XSS

SharePoint is a very popular browser-based collaboration and content management platform. Due to its high complexity, proprietary technology and confusing terminology it is often perceived as a black-box that IT and security professionals do not feel very comfortable with. These days, web security topics are well understood by many security professionals, penetration testers and vendors. But what […]

Continue reading

SharePoint: How to collaborate with external parties?

Opening up an internal SharePoint farm to the Internet in order to share resources with external parties might seem a good idea, because it helps avoiding expensive infrastructure changes. However, in terms of security, this is not recommended because it does not sufficiently protect internal resources from external threats. The protection of internal resources hinges […]

Continue reading

Wrap-up: Hack-Lab 2017#2

What is a Hack-Lab? Compass Security provides a monthly playful occasion for the security analysts to get-together and try to hack new devices, dive into current technologies and share their skills with their fellows. This also includes the improvement of internal tools, the research of newly identified publicly known attacks, and security analysis of hardware […]

Continue reading

Wrap-up: Hack-Lab 2017#1

What is a Hack-Lab? Compass Security provides a monthly playful occasion for the security analysts to get-together and try to hack new devices, dive into current technologies and share their skills with their fellows. This also includes the improvement of internal tools, the research of newly identified publicly known attacks, and security analysis of hardware […]

Continue reading

IoT (in)security

IoT devices in the news have been proliferating at an ever-increasing rate. Both hardware manufacturers and news agencies are trying to capture the attention of the general public with the next killer device and/or application combinations. More recent IoT news items included analysis on the Mirai botnet [0] and its effect on the internet as a whole, […]

Continue reading

Blackout: Wenn Hacker den Strom abschalten

Dieser Blog Post dient als Hintergrundartikel zum SRF Thementag «Blackout»: Wenn die Schweiz plötzlich keinen Strom mehr hätte vom Montag, 2. Januar 2017, 13.00 bis 22.00 Uhr (SRF News, SRF Kultur Wissen Beitrag) Wie ist die Vorgehensweisen von Hackern, die unerlaubten Zugriff auf fremde Systeme erlangen wollen? — beispielsweise im Netzwerk eines Energieversorgungsunternehmens. Basierend auf diesen […]

Continue reading

SAMLRequest Support for SAML Raider

About a year ago, the Burp extension SAML Raider [0] was released as a result of a bachelor thesis [1] in collaboration with Compass Security. This Burp extension automates most of the steps, which are necessary to test a SAML single sign-on process and perform according attacks. With SAML Raider, an authentication bypass vulnerability in a Service […]

Continue reading

Content-Security-Policy: misconfigurations and bypasses

Introduction The Content Security Policy (CSP) is a security mechanism web applications can use to reduce the risk of attacks based on XSS, code injection or clickjacking. Using different directives it is possible to lock down web applications by implementing a whitelist of trusted sources from which web resources like JavaScript may be loaded. Currently […]

Continue reading

Older posts