WebKit HTMLObjectElement::updateWidget Universal XSS

WebKit: UXSS through HTMLObjectElement::updateWidget CVE-2017-2493 When an object element loads a JavaScript URLe.g., javascript:alert1, it checks whether it violate the Same Origin Policy or not. Here's some snippets of the logic. void HTMLObjectElement::updateWidgetCreatePlugins createPlugins...

Apple WebKit / Safari 10.0.3(12602.4.8) - 'Editor::Command::execute' Universal Cross-Site Scripting

document-updateLayoutIgnorePendingStylesheets; return mcommand-executemframe, triggeringEvent, msource, parameter; This method is invoked under an |EventQueueScope|. But |updateLayoutIgnorePendingStylesheets| invokes |MediaQueryMatcher::styleResolverChanged| that directly calls |handleEvent| not...

Apple WebKit / Safari 10.0.3 (12602.4.8) - Synchronous Page Load Universal Cross-Site Scripting Expl

Exploit for multiple platform in category web applications URL scriptURL; URL url; if protocolIsJavaScripturlString scriptURL = completeURLurlString; // completeURL encodes the URL. url = blankURL; else url = completeURLurlString; if shouldConvertInvalidURLsToBlank && !url.isValid url = blankURL;...

Apple WebKit / Safari 10.0.3 (12602.4.8) - Synchronous Page Load Universal Cross-Site Scripting

URL scriptURL; URL url; if protocolIsJavaScripturlString scriptURL = completeURLurlString; // completeURL encodes the URL. url = blankURL; else url = completeURLurlString; if shouldConvertInvalidURLsToBlank && !url.isValid url = blankURL; Frame frame = loadOrRedirectSubframeownerElement, url,...

Apple WebKit / Safari 10.0.3 (12602.4.8) - Universal Cross-Site Scripting via a Focus Event and a Link Element

child = mfirstChild removeBetweennullptr, child-nextSibling, child; notifyChildNodeRemovedthis, child; If the location hash value is set, the page will give focus to the associated element. However, if there is a stylesheet that has not been loaded yet, the focusing will be delayed until the...

WebKit: UXSS via a synchronous page load（CVE-2017-2480）

Here's a snippet of the method SubframeLoader::requestFrame which is invoked when the |src| of an iframe object is changed. bool SubframeLoader::requestFrameHTMLFrameOwnerElement& ownerElement, const String& urlString, const AtomicString& frameName, LockHistory lockHistory, LockBackForwardList...

WebKit: table use-after-free（CVE-2017-2471）

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on a nightly version of WebKit. The PoC has also been observed to crash Safari 10.0.3 on Mac. PoC: -webkit-border-image: urlfoo 1 5 1 63 repeat; -webkit-flow-into: foo function eventhandler var a;...

Apple WebKit - table Use-After-Free

Apple WebKit - table Use-After-Free -webkit-border-image: urlfoo 1 5 1 63 repeat; -webkit-flow-into: foo function eventhandler var a; document.execCommand"selectAll", false; output.slot = "foo"; table.deleteCaption; //trigger garbage collector forvar i=0;i foo !--...

DEBIAN-CVE-2017-2373

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. tvOS before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute arbitrary code or cause a denial of service memory corruption and...

DEBIAN-CVE-2017-2355

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. iCloud before 6.1.1 is affected. iTunes before 12.5.5 is affected. tvOS before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to execute...

Design/Logic Flaw

An issue was discovered in certain Apple products. iOS before 10.2.1 is affected. Safari before 10.0.3 is affected. tvOS before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted...

About the security content of macOS Sierra 10.12.3

About the security content of macOS Sierra 10.12.3 This document describes the security content of macOS Sierra 10.12.3. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or...

About the security content of Safari 10.0.3

About the security content of Safari 10.0.3 This document describes the security content of Safari 10.0.3. About Apple security updates For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are...