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In February 2024, a malicious backdoor was introduced to the Linux build of the xz utility within the liblzma library in versions 5.6.0 and 5.6.1 by an account using the name "Jia Tan". [ b ] [ 4 ] The backdoor gives an attacker who possesses a specific Ed448 private key remote code execution through OpenSSH on the affected Linux system.
There are two ways to use the program: via the standalone chntpw utility installed as a package available in most modern Linux distributions (e.g. Ubuntu [1]) or via a bootable CD/USB image. There also was a floppy release, but its support has been dropped.
Invoke a utility with an altered nice value Version 4 AT&T UNIX nl: Text processing Optional (XSI) Line numbering filter System III nm: C programming Optional (SD, XSI) Write the name list of an object file: Version 1 AT&T UNIX nohup: Process management Mandatory Invoke a utility immune to hangups: Version 4 AT&T UNIX od: Misc Mandatory
In programming and software development, fuzzing or fuzz testing is an automated software testing technique that involves providing invalid, unexpected, or random data as inputs to a computer program. The program is then monitored for exceptions such as crashes, failing built-in code assertions, or potential memory leaks. Typically, fuzzers are ...
On 29 March 2024, Andres Freund, a PostgreSQL developer working at Microsoft, announced that he had found a backdoor in XZ Utils, impacting versions 5.6.0 and 5.6.1. Compressed test files had been added to the code for setting up the backdoor via additions to the configure script in the tar files .
Lint is the computer science term for a static code analysis tool used to flag programming errors, bugs, stylistic errors and suspicious constructs. [1] The term originates from a Unix utility that examined C language source code. [2]
Unit Attention - microcode has been changed without reset 6: 3F: 17: Unit Attention - zone transition to full 6: 3F: 18: Unit Attention - bind completed 6: 3F: 19: Unit Attention - bind redirected 6: 3F: 1A: Unit Attention - subsidiary binding changed 6: 5D: 00: Unit Attention - PFA threshold reached Data Protect 7 20 02 Access Denied - No ...
Also, some unintended operation of hardware or software that ends up being of utility to users is simply a bug, flaw or quirk. Since the suppliers of the software usually consider the software documentation to constitute a contract for the behavior of the software, undocumented features are generally left unsupported and may be removed or ...