Practical DMA attack on Windows 10

mer 30/05/2018 - 13:16
Among the various security assessments performed by Synacktiv, some involve attacking the security hardening of a laptop or workstation master image that will be massively deployed in an infrastructure. The purpose of this kind of security assessment is to give the client an overview of its level of maturity regarding security concerns and provide him with some recommendations in order to increase his level of security. This post describes how Synacktiv defeated a workstation security measures by using a hardware appro...

Breaking namespace isolation with PF_RING before 7.0.0

lun 21/05/2018 - 16:11
Linux hardening and proper isolation using containerization can be tricky especially when performance is critical. We recently helped a client to design a secure network appliance that involve sniffing network traffic. This device has high security and performance constraints. This post is a feedback on the unlikely integration of fast sniffers with linux containers.

netdata apps.plugin security fixes

jeu 19/04/2018 - 15:54
Synacktiv met netdata in the wild in the last few months. This blog post aims at telling the story of a vulnerability which was first forgotten 1 year ago and then partially fixed. On a standard setup, the vulnerability can be exploited by gid netdata to read arbitrary files owned by root. On a weak setup (as seen in the wild by Synacktiv), the vulnerability can be exploited by all users.

HP iLO talk at Recon Brx 2018

mer 07/02/2018 - 15:59
Since we presented our vulnerability in HP Integrated Lights-Out (iLO) 4 to Recon Brussels, we are now releasing the slides and tools that were developed during our study.

RCE vulnerability in HP iLO

mar 12/09/2017 - 12:59
On August 28th, HP published a security bulletin regarding a critical vulnerability in HP Integrated Lights-Out (iLO) 4. This blog post aims at giving some details about this vulnerability, and a few hints for administrators to protect their servers. This research only applies to iLO version 4.