WebKit JSC emitPutDerivedConstructorToArrowFunctionContextScope Incorrect Check Vulnerability

Exploit for multiple platform in category dos / poc WebKit: JSC: incorrect check in emitPutDerivedConstructorToArrowFunctionContextScope CVE-2017-2531 When a super expression is used in an arrow function, the following code, which generates bytecode, is called. if needsToUpdateArrowFunctionContex...

WebKit - 'Element::setAttributeNodeNS' Use-After-Free

Element::setAttributeNodeNSAttr& attrNode ... setAttributeInternalindex, attrNode.qualifiedName, attrNode.value, NotInSynchronizationOfLazyAttribute; attrNode.attachToElementthis; treeScope.adoptIfNeededattrNode; ensureAttrNodeListForElementthis.append&attrNode; return WTFMoveoldAttrNode;...

WebKit Document::prepareForDestruction / CachedFrame Universal XSS

WebKit: UXSS via Document::prepareForDestruction and CachedFrame Here's a snippet of Document::prepareForDestruction void Document::prepareForDestruction if mhasPreparedForDestruction return; ... detachFromFrame; mhasPreparedForDestruction = true; Document::prepareForDestruction is called on the...

WebKit - CachedFrameBase::restore Universal Cross-Site Scripting

WebKit - CachedFrameBase::restore Universal Cross-Site Scripting Click anywhere... function createURLdata, type = 'text/html' return URL.createObjectURLnew Blobdata, type: type; function navigatew, url let a = w.document.createElement'a'; a.href = url; a.click; window.onclick = = window.w =...

WebKit Element::setAttributeNodeNS Use-After-Free Vulnerability

Exploit for multiple platform in category dos / poc WebKit: Element::setAttributeNodeNS UAF Here's a snippet of Element::setAttributeNodeNS. ExceptionOr Element::setAttributeNodeNSAttr& attrNode ... setAttributeInternalindex, attrNode.qualifiedName, attrNode.value,...

WebKit CachedFrameBase::restore Universal Cross Site Scripting Vulnerability

Exploit for multiple platform in category web applications WebKit: UXSS via CachedFrameBase::restore This is similar to the case https://bugs.chromium.org/p/project-zero/issues/detail?id=1151. But this time, javascript handlers may be fired in FrameLoader::open. void...

WebKit CachedFrame Universal Cross Site Scripting Vulnerability

Exploit for multiple platform in category web applications WebKit: UXSS: CachedFrame doesn't detach openers CVE-2017-2528 When a document loads "about:blank" or "about:srcdoc", it tries to inherit the security origin from its parent frame, or its opener frame if the parent frame doesn't exist...

WebKit Document::prepareForDestruction / CachedFrame Universal XSS

WebKit suffers from a universal cross site scripting vulnerability via Document::prepareForDestruction and CachedFrame. WebKit: UXSS via Document::prepareForDestruction and CachedFrame Here's a snippet of Document::prepareForDestruction void Document::prepareForDestruction if...

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 ... String url = this-url; ... if !allowedToLoadFrameURLurl return;...

WebKit: UXSS via Editor::Command::execute(CVE-2017-2504)

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to conduct Universal XSS UXSS attacks via a crafted web site that improperly...

WebKit enqueuePageshowEvent / enqueuePopstateEvent Universal XSS(CVE-2017-2510)

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. The issue involves the "WebKit" component. It allows remote attackers to conduct Universal XSS UXSS attacks via a crafted web site that improperly interacts with pageshow events. He...

WebKit: UXSS via ContainerNode::parserRemoveChild

Here's a snippet of ContainerNode::parserRemoveChild. void ContainerNode::parserRemoveChildNode& oldChild disconnectSubframesIfNeededthis, DescendantsOnly; let xml = let p = document.querySelector'p'; let link = p.appendChilddocument.createElement'link'; link.rel = 'stylesheet'; link.href =...

WebKit: JSC: BindingNode::bindValue doesn't increase the scope's reference count(CVE-2017-2505)

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari before 10.1.1 is affected. tvOS before 10.2.1 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...

WebKit WebCore::FrameView::scheduleRelayout Use-After-Free(CVE-2017-2514)

An issue was discovered in certain Apple products. iOS before 10.3.2 is affected. Safari 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 application crash via a crafted we...

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...

WebKit - Stealing Variables via Page Navigation in FrameLoader::clear Exploit

Exploit for multiple platform in category dos / poc pageCacheState != Document::InPageCache ... mframe.document-prepareForDestruction; removeFocusedNodeOfSubtreemframe.document; ... mframe.setDocumentnullptr; domWindow; Click anywhere. function createURLdata, type = 'text/html' return...

WebKit - enqueuePageshowEvent and enqueuePopstateEvent Universal Cross-Site Scripting Exploit

Exploit for multiple platform in category dos / poc view-frame.page; frame.tree.appendChildchildFrame-view-frame; childFrame-open; enqueuePageshowEventPageshowEventPersisted; HistoryItem historyItem = frame.loader.history.currentItem; if historyItem && historyItem-stateObject...

WebKit enqueuePageshowEvent / enqueuePopstateEvent Universal XSS

WebKit: UXSS: enqueuePageshowEvent and enqueuePopstateEvent don't enqueue, but dispatch CVE-2017-2510 Here is a snippet of CachedFrameBase::restore which is invoked when cached frames are restored. void CachedFrameBase::restore ... for auto& childFrame : mchildFrames...

Memory Corruption Vulnerability in WebKit Component of Multiple Apple Products (CNVD-2017-08078)

Apple iOS is an operating system developed for mobile devices; Safari is a web browser that comes with Mac OS X and iOS; WebKit is an open source web browser engine jointly developed by KDE, Apple, and Google. WebKit is a set of open source Web browser engine jointly developed by KDE, Apple Apple...

Apple iOS and Safari WebKit Memory Corruption Vulnerability (CNVD-2017-07602)

Apple iOS and Safari are both products of Apple Inc. Apple iOS is an operating system developed for mobile devices; Safari is a web browser that is the default browser that comes with Mac OS X and iOS operating systems; WebKit is an open-source web browser engine developed by KDE, Apple, Google,...