WebKit JSC - JSArray::shiftCountWithArrayStorage Out-of-Bounds ReadWrite

WebKit JSC - JSArray::shiftCountWithArrayStorage Out-of-Bounds ReadWrite / bool JSArray::shiftCountWithArrayStorageVM& vm, unsigned startIndex, unsigned count, ArrayStorage storage unsigned oldLength = storage-length; RELEASEASSERTcount hasHoles && this-structurevm-holesMustForwardToPrototypevm,...

WebKit JSC - 'AbstractValue::set' Use-After-Free

indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue; checkConsistency; assertIsRegisteredgraph; It works out marrayModes using structure-indexingType instead of structure-indexingMode. As structure-indexingType masks out the CopyOnWrite flag, which indicates that the...

WebKit JSC - 'JSArray::shiftCountWithArrayStorage' Out-of-Bounds Read/Write

/ bool JSArray::shiftCountWithArrayStorageVM& vm, unsigned startIndex, unsigned count, ArrayStorage storage unsigned oldLength = storage-length; RELEASEASSERTcount hasHoles && this-structurevm-holesMustForwardToPrototypevm, this || hasSparseMap || shouldUseSlowPutindexingType return false; if...

WebKit JSC - AbstractValue::set Use-After-Free

WebKit JSC - AbstractValue::set Use-After-Free indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue; checkConsistency; assertIsRegisteredgraph; It works out marrayModes using structure-indexingType instead of structure-indexingMode. As structure-indexingType masks out the...

Apple WebKit Memory Corruption (CVE-2018-4233)

A remote code execution vulnerability exists in Apple WebKit. The vulnerability is due to a memory corruption when handling of objects in javascript JIT. A remote attacker could exploit the vulnerability by enticing the target user to open a specially crafted js webpage. Successful exploitation...

WebKit JSC AbstractValue::set Use-After-Free Exploit

WebKit: JSC: A bug in AbstractValue::set CVE-2018-4443 void AbstractValue::setGraph& graph, RegisteredStructure structure RELEASEASSERTstructure; mstructure = structure; marrayModes = asArrayModesstructure-indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue;...

WebKit JSC JSArray::shiftCountWithArrayStorage Out-Of-Band Read / Write Exploit

WebKit: JSC: A bug in JSArray::shiftCountWithArrayStorage CVE-2018-4441 bool JSArray::shiftCountWithArrayStorageVM& vm, unsigned startIndex, unsigned count, ArrayStorage storage unsigned oldLength = storage-length; RELEASEASSERTcount hasHoles && this-structurevm-holesMustForwardToPrototypevm, thi...

WebKit JSC AbstractValue::set Use-After-Free

WebKit: JSC: A bug in AbstractValue::set CVE-2018-4443 void AbstractValue::setGraph& graph, RegisteredStructure structure RELEASEASSERTstructure; mstructure = structure; marrayModes = asArrayModesstructure-indexingType; mtype = speculationFromStructurestructure.get; mvalue = JSValue;...

WebKit JSC JSArray::shiftCountWithArrayStorage Out-Of-Band Read / Write

WebKit: JSC: A bug in JSArray::shiftCountWithArrayStorage CVE-2018-4441 bool JSArray::shiftCountWithArrayStorageVM& vm, unsigned startIndex, unsigned count, ArrayStorage storage unsigned oldLength = storage-length; RELEASEASSERTcount hasHoles && this-structurevm-holesMustForwardToPrototypevm, thi...

CVE-2018-4437

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9...

Safari - Proxy Object Type Confusion (Metasploit)

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Safari Proxy Object Type Confusion', 'Description' = %q This module exploits a type confusion bug in the Javascript Proxy object in WebKit. The D...

Safari - Proxy Object Type Confusion Exploit

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Safari Proxy Object Type Confusion', 'Description' = %q This module exploits a type confusion bug in the Javascript Proxy object in WebKit. The D...

Safari Proxy Object Type Confusion

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Safari Proxy Object Type Confusion', 'Description' = %q This module exploits a type confusion bug in the Javascript Proxy object in WebKit. The D...

WebKit JIT - Int32/Double Arrays can have Proxy Objects in the Prototype Chains

didBecomePrototype; if structurevm-hasMonoProto DeferredStructureTransitionWatchpointFire deferredvm, structurevm; Structure newStructure = Structure::changePrototypeTransitionvm, structurevm, prototype, deferred; setStructurevm, newStructure; else putDirectvm, knownPolyProtoOffset, prototype; if...

WebKit JIT Proxy Object Issue

WebKit: JIT: Int32/Double arrays can have Proxy objects in the prototype chains CVE-2018-4438 Bug: void JSObject::setPrototypeDirectVM& vm, JSValue prototype ASSERTprototype; if prototype.isObject prototype.asCell-didBecomePrototype; if structurevm-hasMonoProto...

Important: Red Hat Security Advisory: chromium-browser security update

An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

Debian DSA-4352-1 : chromium-browser - security update

Several vulnerabilities have been discovered in the chromium web browser. - CVE-2018-17480 Guang Gong discovered an out-of-bounds write issue in the v8 JavaScript library. - CVE-2018-17481 Several use-after-free issues were discovered in the pdfium library. - CVE-2018-18335 A buffer overflow issu...

[SECURITY] [DSA 4352-1] chromium-browser security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4352-1 [email protected] https://www.debian.org/security/ Michael Gilbert December 07, 2018 https://www.debian.org/security/faq -...

Multiple Apple Products WebKit Memory Corruption Vulnerability (CNVD-2018-24788)

Apple iOS is an operating system developed for mobile devices; Safari is a web browser that is the default browser shipped with the Mac OS X and iOS operating systems. iTunes for Windows is a media player and application for the Windows platform. WebKit is one of the web browser engine components...

Multiple Apple Products WebKit Memory Corruption Vulnerability (CNVD-2018-24786)

Apple iOS is an operating system developed for mobile devices; Safari is a web browser that is the default browser shipped with the Mac OS X and iOS operating systems. iTunes for Windows is a media player and application for the Windows platform. WebKit is one of the web browser engine components...