1月4日安全热点 – Intel CPU严重设计缺陷/Meltdown/Spectre漏洞

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Intel处理器被曝存在严重设计缺陷

(Intel处理器芯片基础架构中被爆存在一个严重的设计缺陷。受此影响,Linux以及Windows不得不大幅改动、重新设计内核。Linux内核的修复代码已经公布,而微软将在下周二补丁日发布Windows补丁。)

https://www.anquanke.com/post/id/93455

 

Google称几乎所有1995年以来的CPU都受”Meltdown” 和 “Spectre”漏洞影响

https://www.bleepingcomputer.com/news/security/google-almost-all-cpus-since-1995-vulnerable-to-meltdown-and-spectre-flaws/

https://security.googleblog.com/2018/01/todays-cpu-vulnerability-what-you-need.html?m=1

视频演示:

 

Google Project Zero团队发布了该CPU漏洞的详细描述

https://googleprojectzero.blogspot.co.uk/2018/01/reading-privileged-memory-with-side.html?m=1

 

据说是该CPU “Meltdown” 和 “Spectre”漏洞的PoC

https://github.com/turbo/KPTI-PoC-Collection

“Meltdown” 和 “Spectre”漏洞的区别(Meltdown 只针对Intel,而Spectre适用于Intel, ARM, 和AMD 处理器)

https://danielmiessler.com/blog/simple-explanation-difference-meltdown-spectre/

 

各厂商/平台发布针对此次CPU漏洞的安全公告

ARM:https://developer.arm.com/support/security-update

Android: https://source.android.com/security/bulletin/2018-01-01

Chromium发布Meltdown/Spectre漏洞的缓解措施:https://www.chromium.org/Home/chromium-security/ssca

Firefox:https://blog.mozilla.org/security/2018/01/03/mitigations-landing-new-class-timing-attack/

微软:https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/ADV180002

https://support.microsoft.com/en-us/help/4056892/windows-10-update-kb4056892

英伟达/NVIDIA: https://forums.geforce.com/default/topic/1033210/geforce-drivers/nvidias-response-to-speculative-side-channels-cve-2017-5753-cve-2017-5715-and-cve-2017-5754/

 

 

Google移除掉Play Store的36个冒充是安全防护软件的app

(实际上,这些应用程序包含的代码主要是显示虚假的安全警报,显示广告,并秘密收集个人数据。)

https://www.bleepingcomputer.com/news/security/google-removes-36-fake-android-security-apps-packed-with-adware/

来自趋势科技的分析:

http://blog.trendmicro.com/trendlabs-security-intelligence/apps-disguised-security-tools-bombard-users-ads-track-users-location/

 

技术类

NSA的 ExplodingCan exploit的Python实现

https://github.com/danigargu/explodingcan

 

 

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