Microsoft Edge Chakra - Cross Context Use-After-Free

f.onload = null; // Garbage collection for let i = 0; i 10; i++ new ArrayBuffer1024 1024 40; let obj = opt; // "opt" returns the freed string constant. ; // Closing the diffrent context f.src = 'about:blank'; But in fact, if you run the code, you will see an exception saying "Can't execute code...

Microsoft Windows jscript Use-After-Free

Windows: multiple use-after-free issues in jscript Array methods CVE-2018-0935 There are multiple use-after-free issues in Array methods in jscript. When jscript executes an Array method such as Array.join, it first retrieves the length of an array. If the input is not an array but an object, the...

Microsoft Windows - Multiple Use-After-Free Issues in jscript Array Methods

Microsoft Windows - Multiple Use-After-Free Issues in jscript Array Methods !-- There are multiple use-after-free issues in Array methods in jscript. When jscript executes an Array method such as Array.join, it first retrieves the length of an array. If the input is not an array but an object, th...

Microsoft Windows - Multiple Use-After-Free Issues in jscript Array Methods Exploit

Exploit for windows platform in category dos / poc !-- There are multiple use-after-free issues in Array methods in jscript. When jscript executes an Array method such as Array.join, it first retrieves the length of an array. If the input is not an array but an object, then the length property of...

Microsoft Internet Explorer 11 jscript!JSONStringifyObject Use-After-Free Exploit

There is a use-after-free in jscript.dll library that can be exploited in IE11. IE11: use-after-free in jscript!JSONStringifyObject CVE-2017-11793 There is a use-after-free in jscript.dll library that can be exploited in IE11. PoC: ========================================= var o1 = toJSON:functio...

Microsoft Windows - jscript!NameTbl::GetValDef Use-After-Free

Microsoft Windows - jscript!NameTbl::GetValDef Use-After-Free var vars = new Array100; forvar i=0;i !-- ============================================ PoC for WPAD might require page heap to trigger the crash: ============================================ function...

USN-3396-1: OpenJDK 7 vulnerabilities

It was discovered that the JPEGImageReader class in OpenJDK would incorrectly read unused image data. An attacker could use this to specially construct a jpeg image file that when opened by a Java application would cause a denial of service. CVE-2017-10053 It was discovered that the JAR verifier ...

Ubuntu 16.04 LTS : OpenJDK 8 regression (USN-3366-2)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3366-2 advisory. USN-3366-1 fixed vulnerabilities in OpenJDK 8. Unfortunately, that update introduced a regression that caused some valid JAR files to fail validation. This update...

WebKit: JSC: uninitialized memory reference in arrayProtoFuncSplice

Here's a snippet of arrayProtoFuncSplice. EncodedJSValue JSCHOSTCALL arrayProtoFuncSpliceExecState exec ... result = JSArray::tryCreateForInitializationPrivatevm, exec-lexicalGlobalObject-arrayStructureForIndexingTypeDuringAllocationArrayWithUndecided, actualDeleteCount; if UNLIKELY!result...

USN-3366-1: OpenJDK 8 vulnerabilities

It was discovered that the JPEGImageReader class in OpenJDK would incorrectly read unused image data. An attacker could use this to specially construct a jpeg image file that when opened by a Java application would cause a denial of service. CVE-2017-10053 It was discovered that the JAR verifier ...

WebKit JSC - arrayProtoFuncSplice Uninitialized Memory Reference

WebKit JSC - arrayProtoFuncSplice Uninitialized Memory Reference lexicalGlobalObject-arrayStructureForIndexingTypeDuringAllocationArrayWithUndecided, actualDeleteCount; if UNLIKELY!result throwOutOfMemoryErrorexec, scope; return encodedJSValue; // The result can have an ArrayStorage indexing type...

WebKit JSC - 'arrayProtoFuncSplice' Uninitialized Memory Reference

lexicalGlobalObject-arrayStructureForIndexingTypeDuringAllocationArrayWithUndecided, actualDeleteCount; if UNLIKELY!result throwOutOfMemoryErrorexec, scope; return encodedJSValue; // The result can have an ArrayStorage indexing type if we're having a bad time. bool isArrayStorage =...

WebKit JSC arrayProtoFuncSplice Uninitiailzed Memory Reference Vulnerability

WebKit JSC suffers from an uninitialized memory reference in arrayProtoFuncSplice. WebKit: JSC: uninitialized memory reference in arrayProtoFuncSplice Here's a snippet of arrayProtoFuncSplice. EncodedJSValue JSCHOSTCALL arrayProtoFuncSpliceExecState exec ... result =...

OpenJDK: incorrect handling of references in DGC (RMI, 8163958)

It was discovered that the DCG implementation in the RMI component of OpenJDK failed to correctly handle references. A remote attacker could possibly use this flaw to execute arbitrary code with the privileges of RMI registry or a Java RMI application...

UBUNTU-CVE-2017-9527

The markcontextstack function in gc.c in mruby through 1.2.0 allows attackers to cause a denial of service heap-based use-after-free and application crash or possibly have unspecified other impact via a crafted .rb file...

Microsoft MsMpEng - Use-After-Free via Saved Callers Exploit

Exploit for windows platform in category dos / poc Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1259 In JsRuntimeState::setCaller, it saves the current caller in the JsRuntimeState objectrcx+158h in 64-bit. But the garbage collector doesn't mark this saved value. So it result...

shopify-scripts: Garbage collector crash

This github issue-tt != MRBTTFREE' failed. Aborted The issue was reintroduced in ecee8c51b0ad8cddd9e422a3e5105f902d7e2781 and is still present in 051e40c0493f2de332f5439e3230c9fe6958bf1a. The issue is fixed by reverting ecee8c51b0ad8cddd9e422a3e5105f902d7e2781. Thank you, Dinko Galetic Denis Kasa...

Mozilla Firefox - table Use-After-Free Exploit

Exploit for multiple platform in category dos / poc body display: table function freememory try fuzzPriv.forceGC; catcherr alert'Please install domFuzzLite3'; function go var s = document.getSelection; window.find"1",true,false,true,false; s.modify"extend","forward","line";...

Denial Of Service (DoS)

wicked is vulnerable to denial of service DoS attacks. A malicious user can create a large number of symbols which isn't cleared by the garbage collector, which can cause a denial of service by consuming resources...

DEBIAN-CVE-2016-9427

Integer overflow vulnerability in bdwgc before 2016-09-27 allows attackers to cause client of bdwgc denial of service heap buffer overflow crash and possibly execute arbitrary code via huge allocation...