WebKit: use-after-free in WebCore::Node::nextSibling(CVE-2017-7039)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. PoC: ================================================================= function freememory var a; forvar i=0;i...

WebKit: use-after-free in WebCore::AccessibilityNodeObject::textUnderElement(CVE-2017-7048)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. Note that accessibility features need to be enabled in order to trigger this bug. On Safari on Mac this can be accomplished by opening the inspector simply opening the...

Microsoft Windows Kernel Local Information Disclosure Vulnerability(CVE-2017-8564)

We have discovered that the handler of the 0x120007 IOCTL in nsiproxy.sys \.\Nsi device discloses portions of uninitialized pool memory to user-mode clients, likely due to output structure alignment holes. On our test Windows 7 32-bit workstation, an example layout of the output buffer is as...

WebKit: JSC: Stack-Use-After-Free in ObjectPatternNode::appendEntry

Here's a snippet of ObjectPatternNode::appendEntry. void appendEntryconst JSTokenLocation&, ExpressionNode propertyExpression, DestructuringPatternNode pattern, ExpressionNode defaultValue, BindingType bindingType mtargetPatterns.appendEntry Identifier, propertyExpression, false, pattern,...

WebKit: use-after-free in WebCore::getCachedWrapper(CVE-2017-7040)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. PoC: ================================================================= function freememory var a; forvar i=0;i...

Supervisor Authenticated Remote Code Execution(CVE-2017-11610)

Vulnerability Summary The following advisory describes an authenticated remote code execution vulnerability in Supervisor version 3.1.2 and Supervisor version 3.3.2. Supervisor is a client/server system that allows its users to monitor and control a number of processes on UNIX-like operating...

WebKit: use-after-free in WebCore::RenderObject with accessibility enabled(CVE-2017-7046)

There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. Note that accessibility features need to be enabled in order to trigger this bug. On Safari on Mac this can be accomplished by opening the inspector simply opening the...

AudioCoder 0.8.46 Local Buffer Overflow

!/usr/bin/python Exploit Title : AudioCoder 0.8.46 Local Buffer Overflow SEH CVE : CVE-2017-8870 Exploit Author : Muhann4d @0xSecured Vendor Homepage : http://www.mediacoderhq.com Vulnerable Software:...

WebKit: JSC: JSArray::appendMemcpy uninitialized memory copy(CVE-2017-7064)

WebKit: JSC: JSArray::appendMemcpy uninitialized memory copy Here's a snippet of JSArray::appendMemcpy. bool JSArray::appendMemcpyExecState exec, VM& vm, unsigned startIndex, JSC::JSArray otherArray auto scope = DECLARETHROWSCOPEvm; if !canFastCopyvm, otherArray return false; IndexingType type =...

WebKit: JSC: UXSS via JSObject::putInlineSlow and JSValue::putToPrimitive(CVE-2017-7037)

JSObject::putInlineSlow and JSValue::putToPrimitive use getPrototypeDirect instead of getPrototype to get an object's prototype. So JSDOMWindow::getPrototype which checks the Same Origin Policy is not called. The PoC shows to call a setter of another origin's object. PoC 1 -...

AudioCoder 0.8.46 - Local Buffer Overflow (SEH) Exploit

Exploit for windows platform in category local exploits !/usr/bin/python Exploit Title : AudioCoder 0.8.46 Local Buffer Overflow SEH CVE : CVE-2017-8870 Exploit Author : Muhann4d @0xSecured Vendor Homepage : http://www.mediacoderhq.com Vulnerable Software:...

MediaCoder 0.8.48.5888 - Local Buffer Overflow (SEH)

MediaCoder 0.8.48.5888 - Local Buffer Overflow SEH. CVE-2017-8869. Local exploit for Windows platform !/usr/bin/python Exploit Title : MediaCoder 0.8.48.5888 Local Buffer Overflow SEH CVE : CVE-2017-8869 Exploit Author : Muhann4d @0xSecured Vendor Homepage : http://www.mediacoderhq.com Vulnerable...

AudioCoder 0.8.46 - Local Buffer Overflow (SEH)

!/usr/bin/python Exploit Title : AudioCoder 0.8.46 Local Buffer Overflow SEH CVE : CVE-2017-8870 Exploit Author : Muhann4d @0xSecured Vendor Homepage : http://www.mediacoderhq.com Vulnerable Software:...

AudioCoder 0.8.46 - Local Buffer Overflow (SEH)

AudioCoder 0.8.46 - Local Buffer Overflow SEH !/usr/bin/python Exploit Title : AudioCoder 0.8.46 Local Buffer Overflow SEH CVE : CVE-2017-8870 Exploit Author : Muhann4d @0xSecured Vendor Homepage : http://www.mediacoderhq.com Vulnerable Software:...

WebKit WebCore::AccessibilityNodeObject::textUnderElement Use-After-Free

WebKit: use-after-free in WebCore::AccessibilityNodeObject::textUnderElement CVE-2017-7048 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. Note that accessibility features need to be enabled in order to trigger this bug...

WebKit JSC ArgumentsEliminationPhase::transform Incorrect LoadVarargs Handling

WebKit: JSC: Incorrect LoadVarargs handling in ArgumentsEliminationPhase::transform CVE-2017-7056 Here is a snippet of ArgumentsEliminationPhase::transform case LoadVarargs: ... if candidate-op == PhantomNewArrayWithSpread || candidate-op == PhantomSpread ... if argumentCountIncludingThis limit...

WebKit JSC JSObject::putInlineSlow / JSValue::putToPrimitive XSS

WebKit: JSC: UXSS via JSObject::putInlineSlow and JSValue::putToPrimitive CVE-2017-7037 JSObject::putInlineSlow and JSValue::putToPrimitive use getPrototypeDirect instead of getPrototype to get an object's prototype. So JSDOMWindow::getPrototype which checks the Same Origin Policy is not called...

WebKit JSC - JSObject::putInlineSlow JSValue::putToPrimitive Universal Cross-Site Scripting

WebKit JSC - JSObject::putInlineSlow JSValue::putToPrimitive Universal Cross-Site Scripting let f = document.body.appendChilddocument.createElement'iframe'; let loc = f.contentWindow.location; f.onload = = let a = 1.2; a.proto.proto = f.contentWindow; a'test' = toString: function...

WebKit JSC Incorrect Scope Register Handling

WebKit: JSC: Incorrect scope register handling in DFG::ByteCodeParser::flushInlineStackEntry inlineStackEntry CVE-2017-7018 Here's a snippet of DFG::ByteCodeParser::flushInlineStackEntry inlineStackEntry. void flushInlineStackEntry inlineStackEntry ... if mgraph.needsScopeRegister...

WebKit JSC Incorrect Scope Register Handling Vulnerability

WebKit suffers from a JSC incorrect scope register handling in DFG::ByteCodeParser::flushInlineStackEntry inlineStackEntry. WebKit: JSC: Incorrect scope register handling in DFG::ByteCodeParser::flushInlineStackEntry inlineStackEntry CVE-2017-7018 Here's a snippet of...