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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.
In January, a zero-day vulnerability was found in all versions of Java 7, including the latest version Java 7 Update 10, which was already exploited in the wild. [9] The vulnerability was caused by a patch to fix an earlier vulnerability. [10] In response, Apple blacklisted the latest version of the Java plugin. [11]
The Java programming language and Java software platform have been criticized for design choices including the implementation of generics, forced object-oriented programming, the handling of unsigned numbers, the implementation of floating-point arithmetic, and a history of security vulnerabilities in the primary Java VM implementation, HotSpot.
Microsoft recommends all users of Windows 10 versions 1903 and 1909 and Windows Server versions 1903 and 1909 to install patches, and states, "We recommend customers install updates as soon as possible as publicly disclosed vulnerabilities have the potential to be leveraged by bad actors ... An update for this vulnerability was released in ...
A zero-day vulnerability involving remote code execution in Log4j 2, given the descriptor "Log4Shell" (CVE-2021-44228), was found and reported to Apache by Alibaba on November 24, 2021, and published in a tweet on December 9, 2021. [12] Affected services include Cloudflare, iCloud, Minecraft: Java Edition, [42] Steam, Tencent QQ, and Twitter.
Speculative Store Bypass (SSB) (CVE-2018-3639) is the name given to a hardware security vulnerability and its exploitation that takes advantage of speculative execution in a similar way to the Meltdown and Spectre security vulnerabilities. [1] It affects the ARM, AMD and Intel families of processors.
By the time the vulnerability was disclosed, multiple devices, including the Pixel 3 and 3a, Pixel 4, Pixel 5, and Pixel 6 and 6a, had not received the update, thus rendering them vulnerable. [17] On March 21, software engineer Chris Blume noted that the Snipping Tool in Windows 11 results in a file size equal to a cropped version of the same ...
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 ...