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 memory corruption vulnerability in multiple Apple products (CNVD-2017-04675)

Apple iOS, Safari, and tvOS are 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; and tvOS is an operating system for smart TVs. webKit is an open source web...

WebKit: heap-buffer-overflow in JSC::SymbolTableEntry::isWatchable (CVE-2017-2469)

I confirmed the PoC crashes the release version of Safari 10.0.312602.4.8. It might need to refresh the page several times. PoC: function x = 0 var a; function arguments function b var g = 1; a5; f; g; ; Asan Log: ==55079==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x60c0000c8e88 at...

WebKit: Use-after-free in JSC::B3::Procedure::resetReachability（CVE-2017-2470）

Note: It seems it doesn't crash the JSC compiled without Address Sanitizer. PoC: function for var i = 0; i 1000000; ++i const v = Array & 1 ? v : 1; typeof o = 'object'; ; Asan Log: ==32191==ERROR: AddressSanitizer: heap-use-after-free on address 0x607000099738 at pc 0x000106c7af16 bp...

Multiple Apple Products WebKit Security Bypass Vulnerability

Apple iOS, Safari, and tvOS are 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; and tvOS is an operating system for smart TVs. webKit is an open source web...

Multiple Apple Products WebKit Denial of Service Vulnerability (CNVD-2017-05144)

Apple iOS, Safari and tvOS are all products of Apple Inc. Apple iOS is a set of operating systems developed for mobile devices; Apple Safari is a web browser that comes with Mac OS X and iOS operating systems as the default browser; WebKit is a set of open source web browser engines developed by...

Multiple Apple Products WebKit Security Bypass Vulnerability

Apple iOS, Safari, and tvOS are 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; and tvOS is an operating system for smart TVs. webKit is an open source web...

Multiple Apple Products WebKit Denial of Service Vulnerability (CNVD-2017-05145)

Apple iOS, Safari, and tvOS are 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; and tvOS is an operating system for smart TVs. webKit is an open source web...

Multiple Apple Products WebKit Component Denial of Service Vulnerability

Apple iOS, Safari, and tvOS are 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; and tvOS is an operating system for smart TVs. webKit is an open source web...

Apple Safari WebKit memory corruption vulnerability (CNVD-2017-05133)

Apple Safari is a web browser from Apple, and is the default browser that comes with the Mac OS X and iOS operating systems.WebKit is a set of open-source web browser engines developed by KDE, Apple, and Google, and is currently used by Apple Safari and Google Chrome, among other browsers. Google...

Apple WebKit UXSS Vulnerability

Apple WebKit is the open source web browser engine. The "JSCallbackData" function in Apple WebKit has a UXSS issue that allows attackers to build malicious web pages and trick users into parsing them to execute arbitrary code...

Apple Webkit - Universal Cross-Site Scripting by Accessing a Named Property from an Unloaded Window

Exploit for multiple platform in category web applications document auto& htmlDocument = downcastdocument; auto atomicPropertyName = propertyName.publicName; if atomicPropertyName && htmlDocument.hasWindowNamedItematomicPropertyName JSValue namedItem; if...

WebKit: Negative-size memmove in HTMLFormElement (CVE-2017-2459)

There is a negative-size memmove security vulnerability in WebKit. The vulnerability was confirmed on a nightly build of WebKit. The PoC has also been observed to crash Safari 10.0.2 on Mac. PoC Note: It might take a couple of refreshes to trigger the bug: function go var iframe =...

WebKit: use-after-free in RenderLayer（CVE-2017-2455）

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the latest nightly build of WebKit. The PoC also crashes Safari 10.0.2 on Mac. PoC and ASan log follow PoC: function go div.style.setProperty"-webkit-flow-into", "foo"; document.execCommand"fontSize",...

Apple WebKit 10.0.2(12602.3.12.0.1) - Frame::setDocument (1) Universal Cross-Site Scripting Exploit

Exploit for multiple platform in category dos / poc && 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...

Apple WebKit - WebCore::toJS Use-After-Free Exploit

Exploit for multiple platform in category dos / poc function freememory var a; forvar i=0;i !-- ================================================================= ASan log: ================================================================= ==25184==ERROR: AddressSanitizer: heap-use-after-free on...

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 10.0.2(12602.3.12.0.1) - disconnectSubframes Universal Cross-Site Scripting Exploit

Exploit for multiple platform in category web applications frameOwners; if policy == RootAndDescendants if isroot frameOwners.appenddowncastroot; collectFrameOwnersframeOwners, root; // Must disable frame loading in the subtree so an unload handler cannot // insert more frames and create loaded...

Apple WebKit - table Use-After-Free Exploit

Exploit for multiple platform in category dos / poc -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 !--...

Apple WebKit - ComposedTreeIterator::traverseNextInShadowTree Use-After-Free Exploit

Exploit for multiple platform in category dos / poc function go d.open = false; d.innerHTML = "foo"; d.open = true; foo !-- ================================================================= ASan log: ================================================================= ==570==ERROR: AddressSanitizer:...