Mozilla Firefox Security Advisories (MFSA2020-03, MFSA2020-03) - Mac OS X

Mozilla Firefox is prone to type confusion vulnerability. SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mozilla:firefox";...

Mozilla Firefox < 72.0.1

The version of Firefox installed on the remote Windows host is prior to 72.0.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware ...

Mozilla Firefox ESR < 68.4.1

The version of Firefox ESR installed on the remote Windows host is prior to 68.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are...

Mozilla Firefox ESR < 68.4.1

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 68.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory. - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion...

Exploit for Integer Overflow or Wraparound in Apple Icloud

Exploiting CVE-2019-8601 This is an exploit for a WebKit vuln...

JavaScriptCore - GetterSetter Type Confusion During DFG Compilation Exploit

The following JavaScript program, found by Fuzzilli and slightly modified, crashes JavaScriptCore built from HEAD and the current stable release /System/Library/Frameworks/JavaScriptCore.framework/Resources/jsc: let notAGetterSetter = whatever: 42; function v2v5 const v10 = Object; if v5 const v1...

JavaScriptCore GetterSetter Type Confusion

JSC: GetterSetter type confusion during DFG compilation The following JavaScript program, found by Fuzzilli and slightly modified, crashes JavaScriptCore built from HEAD and the current stable release /System/Library/Frameworks/JavaScriptCore.framework/Resources/jsc: let notAGetterSetter =...

CVE-2018-12549

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it...

CVE-2018-12387

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content...

Microsoft Windows jscript9 RegExp.input Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the way the JIT...

NewStart CGSL MAIN 4.05 : firefox Multiple Vulnerabilities (NS-SA-2019-0153)

The remote NewStart CGSL host, running version MAIN 4.05, has firefox packages installed that are affected by multiple vulnerabilities: - Incorrect convexity calculations in Skia in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to perform an out of bounds memory write via a crafte...

NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0095)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - Incorrect alias information in IonMonkey JIT compiler for Array.prototype.slice method may lead to missing bounds check and a buffer overflow. This vulnerabili...

NewStart CGSL CORE 5.04 / MAIN 5.04 : thunderbird Multiple Vulnerabilities (NS-SA-2019-0062)

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has thunderbird packages installed that are affected by multiple vulnerabilities: - Incorrect convexity calculations in Skia in Google Chrome prior to 72.0.3626.81 allowed a remote attacker to perform an out of bounds memory...

NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2019-0090)

The remote NewStart CGSL host, running version MAIN 4.06, has firefox packages installed that are affected by multiple vulnerabilities: - A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being fre...

Spidermonkey - IonMonkey Unexpected ObjectGroup in ObjectGroupDispatch Operation

While fuzzing Spidermonkey, I encountered the following commented and modified JavaScript program which crashes debug builds of the latest release version of Spidermonkey from commit https://github.com/mozilla/gecko-dev/commit/3ecf89da497cf1abe2a89d1b3c282b48e5dfac8c: function O1 this.s = 'foobar...

macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free Exploit

macOS 10.14.5 / iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free Exploit See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its...

Apple macOS < 10.14.5 / iOS < 12.3 DFG JIT Compiler - 'HasIndexedProperty' Use-After-Free

See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its execution 1. With this, it is then possible for the compiler to determine whether there...

Apple macOS 10.14.5 iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free

Apple macOS 10.14.5 iOS 12.3 DFG JIT Compiler - HasIndexedProperty Use-After-Free See also https://bugs.chromium.org/p/project-zero/issues/detail?id=1699 for a similar issue. The DFG JIT compiler attempts to determine whether a DFG IR operation could cause garbage collection GC during its executi...

Buffer Overflow

Mozilla Thunderbird is vulnerable to buffer overflow. It does not use correct alias information in IonMonkey JIT compiler for MArraySlice in Array.prototype.slice method...

Missing Null Check

Eclipse OpenJ9 is vulnerable to missing null check vulnerability. This occurs in a part of the component JIT Compiler because the OpenJ9 JIT compiler incorrectly omits a null check on the receiver object of an Unsafe call when accelerating it...