Ubuntu 18.04 LTS / 20.04 LTS : Firefox vulnerabilities (USN-5037-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5037-1 advisory. Multiple security issues were discovered in Firefox. If a user were tricked into opening a specially crafted website, an attacker could...

Security fix for the ALT Linux 10 package thunderbird version 91.0-alt1

Aug. 12, 2021 Andrey Cherepanov 91.0-alt1 - New version. - Security fixes: + CVE-2021-29986 Race condition when resolving DNS names could have led to memory corruption + CVE-2021-29981 Live range splitting could have led to conflicting assignments in the JIT + CVE-2021-29988 Memory corruption as ...

Denial Of Service (DoS)

firefox is vulnerable to denial of service. An exploitable crash is possible from incorrect instruction reordering during JIT optimization...

UBUNTU-CVE-2021-29982

Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox 91 and Thunderbird 91...

PT-2021-3795

Name of the Vulnerable Software and Affected Versions Thunderbird versions prior to 91 Thunderbird versions prior to 78.13 Firefox ESR versions prior to 78.13 Firefox versions prior to 91 Description The issue is related to instruction reordering, which causes memory corruption and a potentially...

Mozilla Firefox < 91.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 91.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-33 advisory. - Mozilla developers and community members Kershaw Chang, Philipp, Chris Peterson, and Sebastian Hengst reporte...

Mozilla Firefox和Mozilla Thunderbird 安全漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the U.S. Mozilla Firefox is vulnerable to a type obfuscation vulnerability that stems from a faulty JIT optimization and a type obfuscation error. A remote attacker could trick a victim into opening a carefully construct...

The vulnerability of JIT optimization in Firefox browsers, related to access to data without type control, allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of JIT optimization in Firefox browsers relates to access to data without type control. Exploiting this vulnerability can allow a remote attacker to gain access to confidential data, compromise its integrity, and cause service interruptions...

Safari Webkit For iOS 7.1.2 JIT Optimization Bug Exploit

This Metasploit module exploits a JIT optimization bug in Safari Webkit. This allows us to write shellcode to an RWX memory section in JavaScriptCore and execute it. The shellcode contains a kernel exploit CVE-2016-4669 that obtains kernel rw, obtains root and disables code signing. Finally we...

Safari Webkit For iOS 7.1.2 JIT Optimization Bug

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Safari Webkit JIT Exploit for iOS 7.1.2', 'Description' = %q This module exploits a JIT optimization bug in Safari Webkit. This allows us to writ...

PT-2020-5314

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 79 Firefox ESR versions prior to 78.1 Thunderbird versions prior to 78.1 Description The issue is related to JIT-optimization in the browser, which can allow unauthorized access to data due to a lack of type control...

Remote Code Execution (RCE)

Microsoft ChakraCore is vulnerable to remote code execution. This is due to a JIT optimization vulnerability which would allow remote attackers to execute arbitrary commands in the context of the authenticated user. This CVE ID is different from CVE-2017-11836, CVE-2017-11837, CVE-2017-11839,...

Microsoft Chakra Typed Array JIT Optimization Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. 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 generation ...

Microsoft Windows JavaScript Typed Array JIT Optimization Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable 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 handling o...

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation

Microsoft Edge Chakra JIT - Incorrect Bounds Calculation / Let's start with comments in the "GlobOpt::TrackIntSpecializedAddSubConstant" method. // Track bounds for add or sub with a constant. For instance, consider b = a + 2. The value of 'b' should track // that it is equal to the value of 'a' ...

Input validation

Inappropriate use of JIT optimisation in V8 in Google Chrome prior to 61.0.3163.100 for Linux, Windows, and Mac allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page, related to the escape analysis phase...

Microsoft Chakra Array JIT Optimization Type Confusion Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Chakra. 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 handling of...

PT-2017-16321

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 61.0.3163.100 Opera versions prior to 61.0.3163.100 Description The issue is related to the inappropriate use of JIT optimisation in V8, allowing a remote attacker to execute arbitrary code inside a sandbox via ...

Microsoft Edge 40.15063.0.0 Chakra - Incorrect JIT Optimization with TypedArray Setter #3 Exploit

Exploit for windows platform in category dos / poc 'use strict'; function funca, b, c a0 = 1.2; b0 = c; a1 = 2.2; a0 = 2.3023e-320; function main let a = 1.1, 2.2; let b = new Uint32Array100; for let i = 0; i a0 = ; return 0; ; a0.toString; main; // Tested on Microsoft Edge 40.15063.0.0Insider...

Microsoft Edge Chakra Incorrect Jit Optimization Exploit

This is a follow-up finding that the fix for an incorrect jit optimization with TypedArray setter in Microsoft Edge Chakra may not be sufficient. Microsoft Edge: Chakra: incorrect jit optimization with TypedArray setter 2 CVE-2017-8548 I think the fix for 1045 is incorrect. Here's the original Po...