Microsoft Patches RCE Bug Actively Under Attack

A critical bug in a Microsoft scripting engine, under active attack, has been patched as part of Microsoft’s Patch Tuesday security roundup. The vulnerability exists in Internet Explorer and allows an attacker to execute rogue code if a victim is coaxed into visiting a malicious web page, or, if...

Signal Messenger Bug Lets Callers Auto-Connect Calls Without Receivers' Interaction

Almost every application contains security vulnerabilities, some of which you may find today, but others would remain invisible until someone else finds and exploits them—which is the harsh reality of cybersecurity and its current state. And when we say this, Signal Private Messenger —promoted as...

WebKit - Universal XSS Using Cached Pages

WebKit - Universal XSS Using Cached Pages VULNERABILITY DETAILS void FrameLoader::detachChildren ... SubframeLoadingDisabler subframeLoadingDisablermframe.document; // 1 Vector, 16 childrenToDetach; childrenToDetach.reserveInitialCapacitymframe.tree.childCount; for Frame child =...

WebKit - Universal XSS Using Cached Pages Exploit

VULNERABILITY DETAILS void FrameLoader::detachChildren ... SubframeLoadingDisabler subframeLoadingDisablermframe.document; // 1 Vector, 16 childrenToDetach; childrenToDetach.reserveInitialCapacitymframe.tree.childCount; for Frame child = mframe.tree.lastChild; child; child =...

WebKit - User-agent Shadow root Leak in WebCore::ReplacementFragment::ReplacementFragment

WebKit - User-agent Shadow root Leak in WebCore::ReplacementFragment::ReplacementFragment ReplacementFragment::insertFragmentForTestRenderingNode rootEditableElement auto holder = createDefaultParagraphElementdocument; holder-appendChildmfragment; rootEditableElement-appendChildholder; // 2...

WebKit - User-agent Shadow root Leak in WebCore::ReplacementFragment::ReplacementFragment

ReplacementFragment::insertFragmentForTestRenderingNode rootEditableElement auto holder = createDefaultParagraphElementdocument; holder-appendChildmfragment; rootEditableElement-appendChildholder; // 2 document.updateLayoutIgnorePendingStylesheets; return holder;...

About the security content of iOS 12.4.2

About the security content of iOS 12.4.2 This document describes the security content of iOS 12.4.2. 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 available...

A Password-Exposing Bug Was Purged From LastPass

Google Project Zero found and reported a flaw in the widely used password manager...

LastPass Fixes Bug That Leaks Credentials

LastPass has patched a bug that could potentially allow malicious websites to access a web user’s credentials from a previously visited site. Tavis Ormandy, a vulnerability researcher from Google Project Zero, discovered the flaw in the LastPass password manager and published it on the project’s...

About the security content of tvOS 12.4.1 - Apple Support

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 available. Recent releases are listed on the Apple security updates page. Apple security documents reference...

About the security content of tvOS 12.4.1

About the security content of tvOS 12.4.1 This document describes the security content of tvOS 12.4.1 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 available...

Google Discloses 20-Year-Old Unpatched Flaw Affecting All Versions of Windows

Update — With this month's patch Tuesday updates, Microsoft has finally addressed this vulnerability, tracked as CVE-2019-1162, by correcting how the Windows operating system handles calls to Advanced Local Procedure Call ALPC. A Google security researcher has just disclosed details of a...

Google Chrome 74.0.3729.0 / 76.0.3789.0 - Heap Use-After-Free Exploit

Google Chrome 74.0.3729.0 / 76.0.3789.0 - Heap Use-After-Free in blink::PresentationAvailabilityState::UpdateAvailability iterating&iteratinglisteners, true; for auto& listenerref : availabilitylisteners auto listener = listenerref.get; if !listener-urls.Containsurl continue; auto...

Google Chrome 74.0.3729.0 76.0.3789.0 - Heap Use-After-Free in blink::PresentationAvailabilityState::UpdateAvailability

Google Chrome 74.0.3729.0 76.0.3789.0 - Heap Use-After-Free in blink::PresentationAvailabilityState::UpdateAvailability iterating&iteratinglisteners, true; for auto& listenerref : availabilitylisteners auto listener = listenerref.get; if !listener-urls.Containsurl continue; auto screenavailabilit...

Google Chrome 74.0.3729.0 / 76.0.3789.0 - Heap Use-After-Free in blink::PresentationAvailabilityState::UpdateAvailability

iterating&iteratinglisteners, true; for auto& listenerref : availabilitylisteners auto listener = listenerref.get; if !listener-urls.Containsurl continue; auto screenavailability = GetScreenAvailabilitylistener-urls; DCHECKscreenavailability != mojom::blink::ScreenAvailability::UNKNOWN; for auto...

Apple Patches iMessage Bug That Bricks iPhones with Out-of-Date Software

Apple patched a high-severity iMessage bug found by Google Project Zero that can be exploited by an attacker who sends a specially-crafted message to a vulnerable iOS device. Those iPhones receiving the malicious message are rendered inoperable, or bricked. Apple patched the bug with the release ...

Chakra vulnerability debugging notes 1--ImplicitCall-vulnerability warning-the black bar safety net

Chakra is Microsoft's next-generation browser, Microsoft Edge the Javascript parsing engine, 继承自IE浏览器的jscript9.dll and on GitHub open source for ChakraCore it. Chakra since open source has become a Windows platform vulnerability discovery one of the main goals, is also everyone to learn binary...

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free Exploit

Google Chrome 73.0.3683.103 - WasmMemoryObject::Grow Use-After-Free Exploit memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; i...

Google Chrome 73.0.3683.103 - 'WasmMemoryObject::Grow' Use-After-Free

memoryobject, uint32t pages ... Handle newbuffer; if oldbuffer-isshared // Adjust protections for the buffer. if !AdjustBufferPermissionsisolate, oldbuffer, newsize return -1; void backingstore = oldbuffer-backingstore; if memorytracker-IsWasmSharedMemorybackingstore // This memory is shared...

Microsoft Internet Explorer Windows 10 1809 17763.316 Memory Corruption

Content Dim ar1&h3000000 Dim ar21000 Dim gremlin addressOfGremlin = &h28281000 Class MyClass Private mValue Public Property Let Valuev mValue = v End Property Public Default Property Get P P = mValue ' Where to write End Property End Class Sub TriggerWritewhere, val Dim v1 Set v1 =...