Mozilla Firefox IonMonkey JIT Compiler Type Confusion (CVE-2019-9813)

A type confusion vulnerability exists in Mozilla Firefox IonMonkey JIT Compiler. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes...

Security Bulletin: A security vulnerability has been identified in IBM Java Runtime could affect DB2 Query Management Facility (CVE-2018-12547, CVE-2019-2426, CVE-2018-1890, CVE-2018-12549, CVE-2018-11212)

Summary An unspecified vulnerability has been identified in IBM Java Runtime that could affect Db2 Query Management Facility. Vulnerability Details CVEID: CVE-2018-12547 CVSS Base Score: 9.8 DESCRIPTION: A widely used function in the OpenJ9 JVM is vulnerable to buffer overlows. Multiple Java...

Remote Code Execution (RCE)

ChakraCore is vulnerable to remote code execution RCE. The vulnerability exists due to a JIT type confusion error that causes memory corruption, allowing RCE attacks...

Grasp the window of opportunity: see how do I get Chrome 1-day vulnerabilities and achieve the use-vulnerability warning-the black bar safety net

Overview For Chrome to say, when the discovery of a vulnerability, the first in the v8 source tree to be repaired, and then re-release a new stable version of Chrome, and in both during the process, the attacker can completely for a particular vulnerability, the development of a usable exploit...

Remote Code Execution (RCE)

ChakraCore is vulnerable to remote code execution RCE. The vulnerability exists through a JIT type confusion issue that allows RCE attacks...

Updated firefox packages fix security vulnerability

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow CVE-2019-9810. Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and...

MGASA-2019-0131 Updated firefox packages fix security vulnerability

Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow CVE-2019-9810. Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and...

The vulnerability of the Array.prototype.slice method in JIT-compiler IonMonkey of the Firefox ESR browser allows an attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the Array.prototype.slice method in JIT-compiled Firefox ESR browser software arises due to buffer overflow. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

The vulnerability of the __proto__ mutation function in the JIT-compiler of the Firefox ESR browser allows attackers to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the proto mutation function in the JIT-compiler of the Firefox ESR browser is related to type confusion errors. Exploiting this vulnerability allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information...

WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Check

WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Check / While fuzzing JavaScriptCore, I encountered the following JavaScript program which crashes jsc in current HEAD and release...

SpiderMonkey - IonMonkey Compiled Code Fails to Update Inferred Property Types (Type Confusion)

SpiderMonkey - IonMonkey Compiled Code Fails to Update Inferred Property Types Type Confusion A bug in IonMonkey leaves type inference information inconsistent, which in turn allows the compilation of JITed functions that cause type confusions between arbitrary objects. Prerequisites In...

SpiderMonkey - IonMonkey Compiled Code Fails to Update Inferred Property Types (Type Confusion)

SpiderMonkey - IonMonkey Compiled Code Fails to Update Inferred Property Types Type Confusion A bug in IonMonkey leaves type inference information inconsistent, which in turn allows the compilation of JITed functions that cause type confusions between arbitrary objects. Prerequisites In...

WebKit JavaScriptCore - createRegExpMatchesArray Type Confusion

WebKit JavaScriptCore - createRegExpMatchesArray Type Confusion / Prerequisites ------------- In JavaScriptCore, JSObjects have an associated Structure: an object describing various aspects of the JSObject such as its type, its properties, and the type of elements being stored e.g. unboxed double...

WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Check

/ While fuzzing JavaScriptCore, I encountered the following JavaScript program which crashes jsc in current HEAD and release /System/Library/Frameworks/JavaScriptCore.framework/Resources/jsc on macOS: / // Run with --thresholdForFTLOptimizeAfterWarmUp=1000 // First array probably required to avoi...

SpiderMonkey - IonMonkey Compiled Code Fails to Update Inferred Property Types (Type Confusion)

A bug in IonMonkey leaves type inference information inconsistent, which in turn allows the compilation of JITed functions that cause type confusions between arbitrary objects. Prerequisites In Spidermonkey, every JavaScript objects is an instance of the JSObject class 1. Plain JavaScript objects...

Mozilla Firefox IonMonkey JIT Compiler Buffer Overflow (CVE-2019-9810)

A buffer overflow vulnerability exists in Mozilla Firefox IonMonkey JIT Compiler. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes...

WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Exploit

WebKit JavaScriptCore - Out-Of-Bounds Access in FTL JIT due to LICM Moving Array Access Before the Bounds Check / While fuzzing JavaScriptCore, I encountered the following JavaScript program which crashes jsc in current HEAD and release...

WebKit JavaScriptCore - CodeBlock Dangling Watchpoints Use-After-Free

/ While fuzzing JavaScriptCore, I encountered the following simplified and commented JavaScript program which crashes jsc from current HEAD and release: / function v9 // Some watchpoint on the LexicalEnvironment is triggered here // during the 2nd invocation which jettisons the CodeBlock for v9. ...

SpiderMonkey IonMonkey Type Confusion

SpiderMonkey: IonMonkey compiled code fails to update inferred property types, leading to type confusions Related CVE Numbers: CVE-2019-9813 A bug in IonMonkey leaves type inference information inconsistent, which in turn allows the compilation of JITed functions that cause type confusions betwee...

Mozilla Thunderbird < 60.6

The version of Thunderbird installed on the remote Windows host is prior to 60.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2019-11 advisory. - A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh...