WebKit operationSpreadGeneric Universal Cross Site Scripting

WebKit: UXSS via operationSpreadGeneric Once a spread operation is optimized, the function |operationSpreadGeneric| will be called from then on. But operationSpreadGeneric's trying to get a JSGlobalObject from the argument of a spread operation. It seems that that optimization is not implemented ...

WebKit operationSpreadGeneric Universal Cross Site Scripting Vulnerability

WebKit suffers from a universal cross site scripting vulnerability in operationSpreadGeneric. WebKit: UXSS via operationSpreadGeneric Once a spread operation is optimized, the function |operationSpreadGeneric| will be called from then on. But operationSpreadGeneric's trying to get a JSGlobalObjec...

Apple WebKit: UXSS via PrototypeMap::createEmptyStructure

When creating an object in Javascript, its |Structure| is created with the constructor's prototype's |VM|. Here's some snippets of that routine. Structure InternalFunction::createSubclassStructureExecState exec, JSValue newTarget, Structure baseClass ... if newTarget && newTarget != exec-jsCallee...

The vulnerability of the iOS operating system and the Safari browser allows attackers to obtain information about the integration platform and the operating system, enabling them to carry out UXSS attacks.

The vulnerability of the WebKit component of the iOS operating system and the Safari browser exists due to the lack of measures taken to protect the web page structure. Exploiting this vulnerability allows a malicious actor to obtain information about the integration platform and the operating...

The vulnerability of the iOS operating system and the Safari browser allows a perpetrator to carry out a UXSS attack.

The vulnerability of the WebKit component of the iOS operating system and the Safari browser exists due to the lack of measures taken to protect the website structure. Exploiting this vulnerability allows a malicious actor to carry out a UXSS attack by utilizing the website structure...

WebKit Synchronous Page Load UXSS

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&...

Apple WebKit JSCallbackData UXSS

Apple Webkit: UXSS with JSCallbackData CVE-2017-2442 Here is the definition of |JSCallbackData| class. This class is used to call a javascript function from a DOM object. class JSCallbackDataStrong : public JSCallbackData public: JSCallbackDataStrongJSC::JSObject callback, void :...

Apple WebKit disconnectSubframes UXSS

Apple WebKit: UXSS via disconnectSubframes CVE-2017-2445 When an element is removed from a document, the function |disconnectSubframes| is called to detach its subframesiframe tag, object tag, etc.. Here is a snippet of |disconnectSubframes|. void disconnectSubframesContainerNode& root,...

Apple WebKit Frame::setDocument UXSS

Apple WebKit: UXSS via Frame::setDocument 1. CVE-2017-2364 void Frame::setDocumentRefPtr&& newDocument ASSERT!newDocument || newDocument-frame == this; if mdoc && mdoc-pageCacheState != Document::InPageCache mdoc-prepareForDestruction; mdoc = newDocument.copyRef; ... The function...

Apple Webkit Named Property UXSS

Apple Webkit: UXSS by accessing a named property from an unloaded window CVE-2017-2367 The frame is not detached from an unloaded window. We can access to the new document's named properties via the following function. static bool...

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: UXSS via a focus event and a link element (CVE-2017-2479)

This is somewhat similar to https://crbug.com/663476. Here's a snippet of Container::replaceAllChildren. while RefPtr child = mfirstChild removeBetweennullptr, child-nextSibling, child; notifyChildNodeRemovedthis, child; If the location hash value is set, the page will give focus to the associate...

Apple Webkit: UXSS by accessing a named property from an unloaded window (CVE-2017-2367)

The frame is not detached from an unloaded window. We can access to the new document's named properties via the following function. static bool jsDOMWindowPropertiesGetOwnPropertySlotNamedItemGetterJSDOMWindowProperties thisObject, Frame& frame, ExecState exec, PropertyName propertyName,...

Apple Webkit: UXSS with JSCallbackData(CVE-2017-2442)

Here is the definition of |JSCallbackData| class. This class is used to call a javascript function from a DOM object. class JSCallbackDataStrong : public JSCallbackData public: JSCallbackDataStrongJSC::JSObject callback, void : mcallbackcallback-globalObject-vm, callback JSC::JSObject callback...

Apple WebKit: UXSS via Frame::setDocument (1)(CVE-2017-2364)

void Frame::setDocumentRefPtr&& newDocument ASSERT!newDocument || newDocument-frame == this; if mdoc && mdoc-pageCacheState != Document::InPageCache mdoc-prepareForDestruction; mdoc = newDocument.copyRef; ... The function |prepareForDestruction| only called when the cache state is not...

Apple WebKit: UXSS via disconnectSubframes (CVE-2017-2445)

When an element is removed from a document, the function |disconnectSubframes| is called to detach its subframesiframe tag, object tag, etc.. Here is a snippet of |disconnectSubframes|. void disconnectSubframesContainerNode& root, SubframeDisconnectPolicy policy ... Vector frameOwners; if policy ...

CVE-2017-2445

CVE-2017-2445 is a UXSS/ cross-site scripting issue in WebKit used by Safari on iOS (and Safari/tvOS WebKit variants). The root cause is a validation/memory handling weakness in frame objects that can be triggered by crafted web content, enabling remote UXSS attacks. Affected platforms include iO...

LastPass: FireFox error pages still load Content Scripts, allowing access to ExtensionProxyService

The fix for issue 1209 was to prevent loading the special domain 1min-ui-prod.service.lastpass.com. This works in Chrome, but FireFox loads content scripts into error pages, allowing a similar vulnerability to be exploited. The list of procedure calls available is completely different, but I...

Microsoft Edge allows remote attackers to bypass the Same Origin Policy（CVE-2017-0002）

Original link: UXSS on Microsoft Edge – Adventures in a Domainless World without domain big World Adventure Original author: Manuel Caballero Translation: Holic know Chong Yu 404 security lab Note: the associated file can be downloaded here in. Today, we discuss the design of problems, with these...

Microsoft Internet Explorer Elevation of Privilege Vulnerability (CVE-2017-0154)

Original link: a Broken Browser Original author: Manuel Caballero Translation: Holic know Chong Yu 404 security lab Today we know from Internet Explorer since the birth there has been function. This feature allows the Web Developer instance of the external object, and therefore be the attacker to...