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The Hacker News — Cyber Security and Hacking News Website: Linux kernel

20-Year Old Vulnerability in LZO Compression Algorithm Went to Planet Mars

20-Year Old Vulnerability in LZO Compression Algorithm Went to Planet Mars

June 27, 2014Mohit Kumar
A 20 year old critical subtle integer overflow vulnerability has been discovered in Lempel-Ziv-Oberhumer (LZO), an extremely efficient data compression algorithm that focuses on decompression speed, which is almost five times faster than zlib and bzip compression algorithms. Lempel-Ziv-Oberhumer (LZO) was developed in 1994 by Markus Oberhumer and currently it is one of the most popular and widespread compression algorithm used in the Linux kernel , some Samsung Android mobile devices, other embedded devices and several open-source libraries including OpenVPN, MPlayer2, Libav, FFmpeg. 20 YEAR OLD VULNERABILITY IN LZO ALGORITHM Don A. Bailey, founder and CEO of Lab Mouse Security, who disclosed the technical details of the buffer overrun vulnerability in LZO/LZ4 algorithm, explains that if an attacker carefully craft a piece of compressed data that would run malicious code when the software attempted to decompress it. According to advisory, if buffers of 16MB or more
Linux Kernel Vulnerable to Privilege Escalation and DoS Attack

Linux Kernel Vulnerable to Privilege Escalation and DoS Attack

June 07, 2014Swati Khandelwal
Multiple flaws have been identified in Linux Kernel and related software could allow hackers to hack your Linux machines, shared hosting and websites hosted on them. PRIVILEGE ESCALATION VULNERABILITY IN LINUX KERNEL A privilege escalation vulnerability has been identified in the widely used Linux kernel that could allow an attackers to take the control of users’ system. On Thursday, the most popular distributor of open source Linux OS, Debian warned about this vulnerability (CVE-2014-3153) in a security update, along with some other vulnerabilities in the Linux kernel that may lead to a denial of service attack. The most critical one is the flaw (CVE-2014-3153) discovered by Pinkie Pie which resides in the futex subsystem call of Linux Kernel 2.6.32.62/3.2.59/3.4.91/3.10.41/3.12.21/3.14.5 versions , leaving a queued kernel waiter on the stack, which can be exploited to potentially execute arbitrary code with kernel mode privileges. " Pinkie Pie discovered an
Latest Kali Linux 1.0.7 Offers Persistent Encrypted Partition on USB Stick

Latest Kali Linux 1.0.7 Offers Persistent Encrypted Partition on USB Stick

May 28, 2014Swati Khandelwal
There is a good news for all Security researchers, Penetration testers and Hackers. The developers of one of the most advance open source operating system for penetration testing, ' KALI Linux ' have announced yesterday the release of its latest version of Kali Linux 1.0.7 with some interesting features. Kali Linux is an open source Debian-based distribution for penetration testing and forensics that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services. In the beginning of this year, Offensive Security released Kali Linux 1.0.6 with Kernel version 3.12, and also added the Self Destruct feature that allows Kali users to encrypt the full hard disk to make the data inaccessible in an emergency case by entering a secret password at boot time. This latest Kali Linux 1.0.7 version added some more features to the last version, along with many new penetration testing and hacking too
Pwn Pad Android device, Network hacking machine launched

Pwn Pad Android device, Network hacking machine launched

February 23, 2013Mohit Kumar
Security tools company Pwnie Express is making a network hacking focused Android device called the Pwn Pad . The device is based on the Google Nexus 7 specs, with USB-based Bluetooth, Ethernet and WiFi to gauge the security of a network beyond what Google's tablet can manage on its own. Pwn Pad  will be introduced at the RSA security conference in San Francisco next week and Pwnie Express is also releasing the Pwn Pad source code. This will allow hackers to download the software and get it up and running on other types of Android phones and tablets. “ Every pen tester we know has a phone and a tablet and a laptop, but none of them has been able to do pen-testing from the tablet ,” says Dave Porcello, Pwnie Express’s CEO said to  wired . Most interesting part is that, first time the most popular wireless hacking tools like Aircrack-ng and Kismet introduced on an Android device.  The complete list of the tool available  in this suite are:  Wireless Tools: Aircrac
Ubuntu Linux is a spyware ?

Ubuntu Linux is a spyware ?

December 08, 2012Mohit Kumar
Creator of the GNU Project & Free Software Foundation's Leader Richard Stallman has called out Ubuntu as being "spyware". Why ?  Because the operating system sends data to Ubuntu maker Canonical when a user searches the desktop. How ? Due to the Amazon search capabilities that have been integrated into Ubuntu's  Unity desktop environment with the Dash. First introduced in Ubuntu 12.10. Surveillance Program ?  Stallman equates the Amazon search integration into the Ubuntu desktop as having installed surveillance code. He said, " Ubuntu, a widely used and influential GNU/Linux distribution, has installed surveillance code. When the user searches her own local files for a string using the Ubuntu desktop, Ubuntu sends that string to one of Canonical’s servers. (Canonical is the company that develops Ubuntu.) " Stallman’s post , " The ads are not the core of the problem ," " The main issue is the spying. Canonical says it doe
New Linux Rootkit Attacks Internet Users

New Linux Rootkit Attacks Internet Users

December 02, 2012Mohit Kumar
Security researchers have discovered what appears to be an experimental Linux rootkit designed to infect its highly select victims during a classic drive-by website attack. The malware allows hackers to inject code directly in any infected web page. The new malware, discovered on November 13 of this year, was written especially for servers that run Debian Squeeze and NGINX, on 64 bits. About Rootkit :  Rootkit.Linux.Snakso.a is designed to infect the Linux kernel version 2.6.32-5-amd64 and adds an iframe to all served web pages by the infected Linux server via the nginx proxy.  Based on research, the rootkit may have been created by a Russia-based attacker. The recently discovered malware is very dangerous because it does not infect a specific website. It infects the entire server and this can endanger all websites hosted on that server. Drive-by-downloads expose web surfers to malicious code that attempt to exploit unpatched software vulnerabilities in the web visitor&#
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