Mozilla: CSP directives improperly applied with sandbox flag in iframes (MFSA 2017-19)

When a page's content security policy CSP header contains a "sandbox" directive, other directives are ignored. This results in the incorrect enforcement of CSP. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

Tor: Access to local file system using javascript

Issue : Access to local file system using javascriptslightly xss on server side The browser can access the local files using iframes with a local html file. this is very normal and often used for local web development but javascript shouldn't be able to get the content of that iframe because this...

UBUNTU-CVE-2017-7787

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

CVE-2017-7787

Same-origin policy protections can be bypassed on pages with embedded iframes during page reloads, allowing the iframes to access content on the top level page, leading to information disclosure. This vulnerability affects Thunderbird 52.3, Firefox ESR 52.3, and Firefox 55...

Enemy at the gates: Reviewing the Magnitude exploit kit redirection chain

Over the last few months, we have been keeping an eye on the Magnitude exploit kit which is mainly used to deliver the Cerber ransomware to specific countries in Asia. Our telemetry shows that South Korea is most impacted via ongoing malvertising campaigns. When a visitor goes to a website that...

WebKit - 'enqueuePageshowEvent' / 'enqueuePopstateEvent' Universal Cross-Site Scripting

view-frame.page; frame.tree.appendChildchildFrame-view-frame; childFrame-open; enqueuePageshowEventPageshowEventPersisted; HistoryItem historyItem = frame.loader.history.currentItem; if historyItem && historyItem-stateObject mdocument-enqueuePopstateEventhistoryItem-stateObject;...

132 Google Play Apps Booted For Having Malicious IFrames

Google removed 132 apps infected with malicious iFrames from its Google Play store after security researchers discovered a development platform used to create the apps was infected with malware and in turn compromised the apps. Palo Alto Networks’ Unit 42 researchers said the apps were infected...

CVE-2016-9650

Blink in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android incorrectly handled iframes, which allowed a remote attacker to bypass a no-referrer policy via a crafted HTML page...

CVE-2016-6850

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. SVG files can be used as profile pictures. In case their XML structure contains iframes and script code, that code may get executed when calling the related picture URL or viewing the related person's image within a browser...

Design/Logic Flaw

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. SVG files can be used as profile pictures. In case their XML structure contains iframes and script code, that code may get executed when calling the related picture URL or viewing the related person's image within a browser...

CVE-2016-6850

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. SVG files can be used as profile pictures. In case their XML structure contains iframes and script code, that code may get executed when calling the related picture URL or viewing the related person's image within a browser...

Fun hacks for faster content

A few weeks ago I was at Heathrow airport getting a bit of work done before a flight, and I noticed something odd about the performance of GitHub: It was quicker to open links in a new window than simply click them. Here's a video I took at the time: GitHub link click vs new tab Here I click a...

CVE-2016-9650

Blink in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android incorrectly handled iframes, which allowed a remote attacker to bypass a no-referrer policy via a crafted HTML page...

CVE-2016-9650

Blink in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android incorrectly handled iframes, which allowed a remote attacker to bypass a no-referrer policy via a crafted HTML page...

SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2016:2195-1)

Mozilla Firefox was updated to 45.3.0 ESR to fix the following issues bsc991809 : - MFSA 2016-62/CVE-2016-2835/CVE-2016-2836 Miscellaneous memory safety hazards rv:48.0 / rv:45.3 - MFSA 2016-63/CVE-2016-2830 Favicon network connection can persist when page is closed - MFSA 2016-64/CVE-2016-2838...

The vulnerability of the Internet Explorer browser, which allows a violator to rename files

The vulnerability of the Internet Explorer browser is related to the loading of various files in an attempt to open file:// URLs, depending on the existence of those files. Exploiting this vulnerability allows a malicious actor to number files using vectors that contain file:// URLs and HTML5...

Internet Explorer Iframe Sandbox File Name Disclosure Vulnerability

It was found that Internet Explorer allows the disclosure of local file names. This issue exists due to the fact that Internet Explorer behaves different for file:// URLs pointing to existing and non-existent files. When used in combination with HTML5 sandbox iframes it is possible to use this...

Mozilla: Scripts on marquee tag can execute in sandboxed iframes (MFSA 2016-76)

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 process JavaScript event-handler attributes of a MARQUEE element within a sandboxed IFRAME element that lacks the sandbox="allow-scripts" attribute value, which makes it easier for remote attackers to conduct cross-site scripting XSS...

UBUNTU-CVE-2016-5262

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 process JavaScript event-handler attributes of a MARQUEE element within a sandboxed IFRAME element that lacks the sandbox="allow-scripts" attribute value, which makes it easier for remote attackers to conduct cross-site scripting XSS...

The performance benefits of rel=noopener

If you have links to another origin, you should use rel="noopener", especially if they open in a new tab/window. Example site Without this, the new page can access your window object via window.opener. Thankfully the origin security model of the web prevents it reading your page, but no-thankfull...