ubuntu

Abusing Ubuntu 24.04 features for root privilege escalation

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ubuntu

LXer: Fedora 41 beta arrives, neck-and-neck with Ubuntu � but with a different focus

Published at LXer: For those on the RPM side of the fence, Fedora 41 has hit beta, and works better in VirtualBox than ever if you're curious to try it. Read More......



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LXer: Unlock Your Creativity: Building and Testing Websites in the Ubuntu Web Development Playground

Published at LXer: Ubuntu stands out as one of the most popular Linux distributions among web developers due to its stability, extensive community support, and robust package management. Read...



  • Syndicated Linux News

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LXer: Radxa X4 review � An Intel N100 alternative to Raspberry Pi 5 tested with Ubuntu 24.04

Published at LXer: We've already looked at the Radxa X4 kit featuring an Intel N100 SBC with a design similar to the Raspberry Pi 5 and accessories including a Radxa Power PD 30W power adapter, an...



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LXer: Install Deluge BitTorrent Client on Ubuntu & Other Linux Distros

Published at LXer: In this article, you'll learn how to install the Deluge BitTorrent client on Ubuntu and other Linux distros, how to use it, and then how to remove it. Read More......



  • Syndicated Linux News

ubuntu

Install Arduino IDE on Ubuntu 18.04

I had to get an Arduino IDE up and compiling on a Kubuntu 18.04 install. In order to not forget what I did, I made this little post. This is not super detailed but it should get the job done. Grad the 64-bit version of the Arduino IDE (or the 32-bit version if you absolutely […]

The post Install Arduino IDE on Ubuntu 18.04 first appeared on robotthoughts.




ubuntu

Installation Notes for Kubuntu 18.10 on the Alienware 17 R5 Laptop

Before Installation Installing Kubuntu / Ubuntu on the Alienware 17 R5 Laptop NVME Drive To get the NVME drive or M.2 drive to show up as an installation candidate for the installer, you need to make a small BIOS change and modify two kernel arguments at boot time. First, boot into the BIOS on the […]

The post Installation Notes for Kubuntu 18.10 on the Alienware 17 R5 Laptop first appeared on robotthoughts.




ubuntu

Moving the Root Partition to a New Disk in Ubuntu 18.10 (General GRUB Chicanery)

I had a Ubuntu 18.10 install setup perfectly on a disk shared with a Windows 10 install. I originally setup Windows 10 and then reduced the size of the Windows 10 partition to make room for a Ubuntu 18.10 install. After the install of Windows 10 and the Ubuntu 18.10 install I had these partitions: […]

The post Moving the Root Partition to a New Disk in Ubuntu 18.10 (General GRUB Chicanery) first appeared on robotthoughts.




ubuntu

Build PlatformIO on Windows Subsystem for Linux (Ubuntu)

I usually prefer running platformio from command line so I can stream the build process into my backup and recovery processes. With versioning, I can roll back to a know good working build. I am most often building Marlin firmware for my 3D print farm so there is a small example of the build commands […]

The post Build PlatformIO on Windows Subsystem for Linux (Ubuntu) first appeared on robotthoughts.




ubuntu

На планшете HP Touchpad запустили Ubuntu 11.10




ubuntu

UBUNTU – I am, because we are

In Ms. Shotts-Flikkema’s psychology class at FHN, students were honored to welcome veterans and active duty servicemen and servicewomen for a thought-provoking discussion on a number of societal topics this week.

The post UBUNTU – I am, because we are appeared first on Forest Hills Public Schools.



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Interested in Ubuntu? Check Out Andrew Mallet’s New Course

Tune into our newest addition to our course library: Ubuntu Server (18.04): Installing and Managing openLDAP Directories, with Andrew Mallet to learn the basics of Ubuntu server. About the Course: OpenLDAP is a directory service that predates many proprietary systems and provides a universal authentication mechanism for client system to authenticate to and white pages [...]




ubuntu

Setup SSH authentication with PEM RSA file without password on ubuntu/linux Raspberry Pi Server

Recently I have been working with Raspberry PI and creating my own home server to host some of my demo projects. This post is about setting up SSH authentication with a PEM certificate file without password on ubuntu/linux server. Implement the following steps and improve the security.





ubuntu

Zoo Knoxville Launches Wildly Fun New Brand And Announces Gorilla Pregnancy - Obi and Ubuntu Swinging

Born on May 28, 2015, Obi was the first of Zoo Knoxville�s gorilla babies. She�s a natural gymnast who loves to climb. Obi�s name means �heart.� Ubuntu arrived on June 2, 2015. He's all boy and particularly enjoys pestering his half-sister Obi.




ubuntu

Ubuntu Security Notice 715-1

Ubuntu Security Notice USN-715-1 - Hugo Dias discovered that the ATM subsystem did not correctly manage socket counts. It was discovered that the inotify subsystem contained watch removal race conditions. Dann Frazier discovered that in certain situations sendmsg did not correctly release allocated memory. Helge Deller discovered that PA-RISC stack unwinding was not handled correctly. It was discovered that the ATA subsystem did not correctly set timeouts. It was discovered that the ib700 watchdog timer did not correctly check buffer sizes.




ubuntu

How to install Gtop on Ubuntu




ubuntu

Episode 0x36: RMS' Ubuntu Essay and Canonical, Ltd.'s Response

Karen and Bradley discuss RMS' essay on FSF's website, Ubuntu SpyWare: What To Do, and Shuttleworth's Slashdot interview that responds somewhat to RMS' comments.

Show Notes:

Segment 0 (00:36)


Send feedback and comments on the cast to <oggcast@faif.us>. You can keep in touch with Free as in Freedom on our IRC channel, #faif on irc.freenode.net, and by following Conservancy on on Twitter and and FaiF on Twitter.

Free as in Freedom is produced by Dan Lynch of danlynch.org. Theme music written and performed by Mike Tarantino with Charlie Paxson on drums.

The content of this audcast, and the accompanying show notes and music are licensed under the Creative Commons Attribution-Share-Alike 4.0 license (CC BY-SA 4.0).




ubuntu

Ubuntu Issues Security Patch For Kernel Flaw




ubuntu

Ubuntu Security Notice USN-4058-1

Ubuntu Security Notice 4058-1 - It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command.




ubuntu

Ubuntu Security Notice USN-4058-2

Ubuntu Security Notice 4058-2 - USN-4058-1 fixed a vulnerability in bash. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that Bash incorrectly handled the restricted shell. An attacker could possibly use this issue to escape restrictions and execute any command. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4180-1

Ubuntu Security Notice 4180-1 - It was discovered that Bash incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.




ubuntu

Ubuntu Security Notice USN-4184-2

Ubuntu Security Notice 4184-2 - USN-4184-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 was incomplete on 64-bit Intel x86 systems. Also, the update introduced a regression that broke KVM guests where extended page tables are disabled or not supported. This update addresses both issues. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4183-2

Ubuntu Security Notice 4183-2 - USN-4183-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 was incomplete on 64-bit Intel x86 systems. This update addresses the issue. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4185-3

Ubuntu Security Notice 4185-3 - USN-4185-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 was incomplete on 64-bit Intel x86 systems. Also, the update introduced a regression that broke KVM guests where extended page tables are disabled or not supported. This update addresses both issues. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4186-3

Ubuntu Security Notice 4186-3 - USN-4186-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 was incomplete on 64-bit Intel x86 systems. This update addresses the issue. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3199-3

Ubuntu Security Notice 3199-3 - USN-3199-1 fixed a vulnerability in Python Crypto. This update provides the corresponding update for Ubuntu 12.04 ESM. A It was discovered that the ALGnew function in block_templace.c in the A Python Cryptography Toolkit contained a heap-based buffer overflow A vulnerability. A remote attacker could use this flaw to execute A arbitrary code by using a crafted initialization vector parameter. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3616-1

Ubuntu Security Notice 3616-1 - It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information.




ubuntu

Ubuntu Security Notice USN-3616-2

Ubuntu Security Notice 3616-2 - USN-3616-1 fixed a vulnerability in Python Crypto. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3727-1

Ubuntu Security Notice 3727-1 - It was discovered that Bouncy Castle incorrectly handled certain crypto algorithms. A remote attacker could possibly use these issues to obtain sensitive information, including private keys.




ubuntu

Ubuntu Security Notice USN-3901-1

Ubuntu Security Notice 3901-1 - Jann Horn discovered that the userfaultd implementation in the Linux kernel did not properly restrict access to certain ioctls. A local attacker could use this possibly to modify files. It was discovered that the crypto subsystem of the Linux kernel leaked uninitialized memory to user space in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4279-2

Ubuntu Security Notice 4279-2 - USN-4279-1 fixed vulnerabilities in PHP. The updated packages caused a regression. This update fixes the problem. It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4330-1

Ubuntu Security Notice 4330-1 - It was discovered that PHP incorrectly handled certain file uploads. An attacker could possibly use this issue to cause a crash. It was discovered that PHP incorrectly handled certain PHAR archive files. An attacker could possibly use this issue to access sensitive information. It was discovered that PHP incorrectly handled certain EXIF files. An attacker could possibly use this issue to access sensitive information or cause a crash. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4333-1

Ubuntu Security Notice 4333-1 - It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service.




ubuntu

Ubuntu Security Notice USN-4171-5

Ubuntu Security Notice 4171-5 - USN-4171-1 fixed vulnerabilities in Apport. This caused a regression in autopkgtest and python2 compatibility. This update fixes the problem. Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. Sander Bos discovered a race-condition in Apport during core dump creation. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled crash dumps originating from containers. This could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Sander Bos discovered Apport mishandled lock-file creation. This could be used by a local attacker to cause a denial of service against Apport. Kevin Backhouse discovered Apport read various process-specific files with elevated privileges during crash dump generation. This could could be used by a local attacker to generate a crash report for a privileged process that is readable by an unprivileged user. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4312-1

Ubuntu Security Notice 4312-1 - Matthias Gerstner discovered that Timeshift did not securely create temporary files. An attacker could exploit a race condition in Timeshift and potentially execute arbitrary commands as root.




ubuntu

Ubuntu Security Notice USN-4197-1

Ubuntu Security Notice 4197-1 - It was discovered that Bind incorrectly handled certain TCP-pipelined queries. A remote attacker could possibly use this issue to cause Bind to consume resources, resulting in a denial of service.




ubuntu

Ubuntu Security Notice USN-4315-1

Ubuntu Security Notice 4315-1 - Maximilien Bourgeteau discovered that the Apport lock file was created with insecure permissions. This could allow a local attacker to escalate their privileges via a symlink attack. Maximilien Bourgeteau discovered a race condition in Apport when setting crash report permissions. This could allow a local attacker to read arbitrary files via a symlink attack.




ubuntu

Ubuntu Security Notice USN-4319-1

Ubuntu Security Notice 4319-1 - It was discovered that the IPMI message handler implementation in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service. Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4318-1

Ubuntu Security Notice 4318-1 - Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information. Gustavo Romero and Paul Mackerras discovered that the KVM implementation in the Linux kernel for PowerPC processors did not properly keep guest state separate from host state. A local attacker in a KVM guest could use this to cause a denial of service. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4320-1

Ubuntu Security Notice 4320-1 - Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information.




ubuntu

Ubuntu Security Notice USN-4325-1

Ubuntu Security Notice 4325-1 - It was discovered that the IPMI message handler implementation in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service. Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4324-1

Ubuntu Security Notice 4324-1 - Al Viro discovered that the vfs layer in the Linux kernel contained a use- after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information. Shijie Luo discovered that the ext4 file system implementation in the Linux kernel did not properly check for a too-large journal size. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3939-1

Ubuntu Security Notice 3939-1 - Michael Hanselmann discovered that Samba incorrectly handled registry files. A remote attacker could possibly use this issue to create new registry files outside of the share, contrary to expectations.




ubuntu

Ubuntu Security Notice USN-3939-2

Ubuntu Security Notice 3939-2 - USN-3939-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM. Michael Hanselmann discovered that Samba incorrectly handled registry files. A remote attacker could possibly use this issue to create new registry files outside of the share, contrary to expectations. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3975-1

Ubuntu Security Notice 3975-1 - It was discovered that the BigDecimal implementation in OpenJDK performed excessive computation when given certain values. An attacker could use this to cause a denial of service. Corwin de Boor and Robert Xiao discovered that the RMI registry implementation in OpenJDK did not properly select the correct skeleton class in some situations. An attacker could use this to possibly escape Java sandbox restrictions. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-4251-1

Ubuntu Security Notice 4251-1 - It was discovered that Tomcat incorrectly handled the RMI registry when configured with the JMX Remote Lifecycle Listener. A local attacker could possibly use this issue to obtain credentials and gain complete control over the Tomcat instance. It was discovered that Tomcat incorrectly handled FORM authentication. A remote attacker could possibly use this issue to perform a session fixation attack. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3534-1

Ubuntu Security Notice 3534-1 - It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd syscall. A local attacker could potentially exploit this to execute arbitrary code in setuid programs and gain administrative privileges. A memory leak was discovered in the _dl_init_paths function in the GNU C library dynamic loader. A local attacker could potentially exploit this with a specially crafted value in the LD_HWCAP_MASK environment variable, in combination with CVE-2017-1000409 and another vulnerability on a system with hardlink protections disabled, in order to gain administrative privileges. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3678-1

Ubuntu Security Notice 3678-1 - Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service when mounted. It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3678-2

Ubuntu Security Notice 3678-2 - Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service when mounted. It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.




ubuntu

Ubuntu Security Notice USN-3678-3

Ubuntu Security Notice 3678-3 - Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 file system that caused a denial of service when mounted. It was discovered that the 802.11 software simulator implementation in the Linux kernel contained a memory leak when handling certain error conditions. A local attacker could possibly use this to cause a denial of service. Various other issues were also addressed.