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Blogs | INSIGHTS | July 30, 2015

Saving Polar Bears When Banner Grabbing

As most of us know, the Earth’s CO2 levels keep rising, which directly contributes to the melting of our pale blue dot’s icecaps. This is slowly but surely making it harder for our beloved polar bears to keep on living. So, it’s time for us information security professionals to help do our part. As we all know, every packet traveling over the Internet is processed by power hungry CPUs. By simply sending fewer packets, we can consume less electricity while still get our banner grabbing, and…

Vincent Berg
Disclosures | ADVISORIES | April 14, 2015

Lenovo System Update Multiple Privilege Escalations

CVE-2015-2219 Local, least-privileged users can run commands as the SYSTEM user. CVE-2015-2233 Local and potentially remote attackers can bypass signature validation checks and replace trusted Lenovo applications with malicious applications. CVE-2015-2234 Local, unprivileged users can run commands as an administrative user.

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Sofiane Talmat & Michael Milvich
Disclosures | ADVISORIES | December 9, 2014

X Font Service Protocol Handling Issues in libXfont Library

Ilja van Sprundel, an IOActive security researcher, discovered several issues in the way the libXfont library handles the responses it receives from XFS servers. Mr. van Sprundel has worked with X.Org’s security team to analyze, confirm, and fix these issues. Most of these issues stem from libXfont trusting the font server to send valid protocol data and not verifying that the values will not overflow or cause other damage. This code is commonly called from the X server when an X Font Server is active in the font path, so…

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Ilja van Sprundel
Disclosures | ADVISORIES | November 1, 2014

Facebook Access Token Sent in Plaintext

Attackers can steal Facebook access tokens to impersonate Facebook users and perform malicious actions that include, but are not limited to, posting content on behalf of users and accessing friend lists.

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Ariel Sanchez
Disclosures | ADVISORIES | October 21, 2014

OpenBSD ≤ 5.5 Local Kernel Panic

A non-privileged use could cause a local Denial-of-Service (DoS) condition by triggering a kernel panic through a malformed ELF executable.

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Alejandro Hernandez
Disclosures | ADVISORIES | July 1, 2014

Belkin WeMo Home Automation Vulnerabilities

The WeMo devices connect to the Internet using the STUN/TURN protocol. This gives users remote control of the devices and allows them to perform firmware updates from anywhere in the world. A generated GUID is the primary source of access control. WeMo also uses a GPG-based, encrypted firmware distribution scheme to maintain device integrity during updates. Unfortunately, attackers can easily bypass most of these features due to the way they are currently implemented in the WeMo product line. The command for performing firmware updates is initiated over the Internet from…

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Mike Davis
Disclosures | ADVISORIES |

Steam Client Creates World-writable Shell Script

While performing a routine world-writable file scan, one of IOActive’s consultants discovered that the Steam Client for Mac OS X creates world-writable shell scripts when installing games.

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Ilja van Sprundel
Disclosures | ADVISORIES |

OleumTech Wireless Sensor Network Vulnerabilites

OleumTech has manufactured industrial wireless solutions for almost 15 years, providing visibility to disparate assets for major Oil & Gas producers for near real-time optimization decisions, resource deployment, and regulatory compliance. OleumTech also manufacturers industrial automation systems that represents the new paradigm of remote monitoring and control for industries, such as Oil & Gas, Refining, Petro-chemical, Utilities, and Water/Wastewater. In June 2013, IOActive Labs reported four critical vulnerabilities in OleumTech’s wireless sensor network to ICS-CERT. To date, IOActive Labs is not aware of any fixes released by OleumTech.

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Lucas Apa & Carlos Penagos

Arm IDA and Cross Check: Reversing the 787’s Core Network

IOActive has documented detailed attack paths and component vulnerabilities to describe the first plausible, detailed public attack paths to effectively reach the avionics network on a 787, commercial airplane from either non-critical domains, such as Passenger Information and Entertainment Services, or even external networks.

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