{"id":28280,"date":"2019-08-06T23:20:00","date_gmt":"2019-08-06T23:20:00","guid":{"rendered":"https:\/\/www.darkreading.com\/threat-intelligence\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/d\/d-id\/1335462"},"modified":"2019-08-06T23:20:00","modified_gmt":"2019-08-06T23:20:00","slug":"new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/","title":{"rendered":"New Speculative Execution Vulnerability Gives CISOs a New Reason to Lose Sleep"},"content":{"rendered":"<header>\n<\/header>\n<p><span class=\"strong black\">The vulnerability, dubbed SWAPGS, is an undetectable threat to data security, similar in some respects to Spectre and Meltdown.<\/span> <\/p>\n<p class>Bogdan Botezatu, director of threat research at BitDefender, leans across the table in a hotel lobby coffee shop to make his point. &#8220;When you&#8217;re a CISO, there is no single of vulnerability you&#8217;re aware of that doesn&#8217;t keep you awake at night.&#8221; The new vulnerability his team of researchers found \u2014 the vulnerability they will reveal in a press conference this evening \u2014 is one that he says should definitely contribute to CISO insomnia.<\/p>\n<p>The new vulnerability, dubbed SWAPGS by the BitDefender research team, is a speculative execution vulnerability that Botezatu says is similar in some respects to Spectre and Meltdown. &#8220;What we have done is to manipulate this instruction called SWAPGS in order to sample information from the realm of the operating system memory into the user space,&#8221; he explains.<\/p>\n<p>SWAPGS is an <a href=\"https:\/\/www.felixcloutier.com\/x86\/swapgs\" target=\"_blank\" rel=\"noopener noreferrer\">instruction<\/a> that swaps the contents of a particular register with the contents of a specific memory location. The instruction is defined as a privileged instruction that should be available only to system software, such as a hypervisor. One of the things that makes the instruction dangerous when exploited is that it can provide rapid access to certain data structures used by the operating system kernel.<\/p>\n<p>When the instruction is manipulated, Botezatu says, &#8220;This can lead to all sorts of trouble like leaking out information about passwords, encryption, keys, tokens, authentication, cookies, and other sensitive information that goes through the processor.&#8221;<\/p>\n<p>Like many of the other speculative execution exploits that have been found, SWAPGS doesn&#8217;t allow the attacker to manipulate the data being stored in the memory location \u2014 it only allows for the contents of that memory location to be monitored. &#8220;You just poke the memory, and run a time-based attack. If it&#8217;s something interesting, it&#8217;s fine. If not, you have just lost 20 seconds and you need to go back to square one,&#8221; Botezatu explains.<\/p>\n<p>As with most of the other speculative execution attacks, Botezatu sees SWAPGS as something that could be a tool for patient nation-state actors, not finance-focused criminals. Criminal actors, he says, can simply launch repeated phishing attacks to get the information that might become available through SWAPGS.<\/p>\n<p>Still, he points out, a speculative execution attack like SWAPGS is dangerous because it bypasses hardware-based protection and is undetectable by normal security packages. Furthermore, while BitDefender followed responsible disclosure and Microsoft has issued a Window patch for the vulnerability, Botezatu says, &#8220;We know that in enterprises, patch adoption is not something that happens overnight. That can take anywhere from one to 180 days, if you&#8217;re lucky.&#8221;<\/p>\n<p><strong>Related content:<\/strong><\/p>\n<div readability=\"11.944649446494\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.blackhat.com\/images\/page-graphics-usa-19\/banners\/399219_BH_US19-Web-Banners_468x80-plain.png\" alt width=\"460\" height=\"70\"><\/p>\n<p><strong><em>&nbsp;<\/em><\/strong><\/p>\n<p><strong><em>Black Hat USA returns to Las Vegas with hands-on technical Trainings, cutting-edge Briefings, Arsenal open-source tool demonstrations, top-tier security solutions, and service providers in the Business Hall.&nbsp;Click for information on the&nbsp;<a href=\"https:\/\/www.blackhat.com\/us-19\/\" target=\"_blank\" rel=\"noopener noreferrer\">conference<\/a>&nbsp;and&nbsp;<a href=\"https:\/\/blackhat.tech.ubm.com\/usa\/2019\/\" target=\"_blank\" rel=\"noopener noreferrer\">to register.<\/a><\/em><\/strong><\/p>\n<\/div>\n<p><span class=\"italic\">Curtis Franklin Jr. is Senior Editor at Dark Reading. In this role he focuses on product and technology coverage for the publication. In addition he works on audio and video programming for Dark Reading and contributes to activities at Interop ITX, Black Hat, INsecurity, and &#8230; <a href=\"https:\/\/www.darkreading.com\/author-bio.asp?author_id=512\">View Full Bio<\/a><\/span> <\/p>\n<p><span class=\"smaller strong red allcaps\">More Insights<\/span><\/p>\n<p> Read More <a href=\"https:\/\/www.darkreading.com\/threat-intelligence\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/d\/d-id\/1335462?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The vulnerability, dubbed SWAPGS, is an undetectable threat to data security, similar in some respects to Spectre and Meltdown. Read More <a href=\"https:\/\/www.darkreading.com\/threat-intelligence\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/d\/d-id\/1335462?_mc=rss_x_drr_edt_aud_dr_x_x-rss-simple\">HERE<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[151],"tags":[],"class_list":["post-28280","post","type-post","status-publish","format-standard","hentry","category-darkreading-ti"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New Speculative Execution Vulnerability Gives CISOs a New Reason to Lose Sleep 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.threatshub.org\/blog\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New Speculative Execution Vulnerability Gives CISOs a New Reason to Lose Sleep 2026 | ThreatsHub Cybersecurity News\" \/>\n<meta property=\"og:description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.threatshub.org\/blog\/new-speculative-execution-vulnerability-gives-cisos-a-new-reason-to-lose-sleep\/\" \/>\n<meta property=\"og:site_name\" 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