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Shellshock, also known as Bashdoor, [1] is a family of security bugs [2] in the Unix Bash shell, the first of which was disclosed on 24 September 2014.Shellshock could enable an attacker to cause Bash to execute arbitrary commands and gain unauthorized access [3] to many Internet-facing services, such as web servers, that use Bash to process requests.
A subsequent investigation found that the campaign to insert the backdoor into the XZ Utils project was a culmination of approximately three years of effort, between November 2021 and February 2024, [14] by a user going by the name Jia Tan and the nickname JiaT75 to gain access to a position of trust within the project.
In August 2014, it was made public that the Heartbleed vulnerability enabled hackers to steal security keys from Community Health Systems, the second-biggest for-profit U.S. hospital chain in the United States, compromising the confidentiality of 4.5 million patient records. The breach happened a week after Heartbleed was first made public. [58]
Meltdown exploits a race condition, inherent in the design of many modern CPUs.This occurs between memory access and privilege checking during instruction processing. . Additionally, combined with a cache side-channel attack, this vulnerability allows a process to bypass the normal privilege checks that isolate the exploit process from accessing data belonging to the operating system and other ...
Request a Credit Freeze If any financial information, such as credit card numbers, was leaked in a data breach, request a freeze on your credit by the top three credit vendors (TransUnion, Equifax ...
Sony BMG maintained that "there were no security risks associated with the anti-piracy technology" despite numerous virus and malware reports. On November 16, 2005, US-CERT, part of the United States Department of Homeland Security, issued an advisory on XCP DRM. It said that XCP uses rootkit technology to hide certain files from the user and ...
Log4Shell (CVE-2021-44228) is a zero-day vulnerability reported in November 2021 in Log4j, a popular Java logging framework, involving arbitrary code execution. [2] [3] The vulnerability had existed unnoticed since 2013 and was privately disclosed to the Apache Software Foundation, of which Log4j is a project, by Chen Zhaojun of Alibaba Cloud's security team on 24 November 2021.
The exact duration of the hack is yet unknown. U.S. investigators say the culprits spent at least two months copying critical files. [8] A purported member of the Guardians of Peace (GOP) who has claimed to have performed the hack stated that they had access for at least a year prior to its discovery in November 2014. [9]