Microsoft Windows - JScript RegExp.lastIndex Use-After-Free

Microsoft Windows - JScript RegExp.lastIndex Use-After-Free alert'start'; var vars = ; var r = new RegExp; forvar i=0; i20000; i++ varsi =...

Multiple Cobalt Personality Disorder

Introduction Despite the notion that modern cybersecurity protocols have stopped email-based attacks, email continues to be one of the primary attack vectors for malicious actors — both for widespread and targeted operations. Recently, Cisco Talos has observed numerous email-based attacks that ar...

Researchers Warn of Microsoft Zero-Day RCE Bug

Researchers have discovered a medium-severity Windows vulnerability that enables remote attackers to execute arbitrary code – and Microsoft hasn’t issued a patch yet. The flaw, which was first discovered by Dmitri Kaslov of Telspace Systems, exists within the handling of error objects in JScript,...

TippingPoint Threat Intelligence and Zero-Day Coverage – Week of May 28, 2018

I ended up at an urgent care clinic earlier this week and found out I have strep throat. The doctor who examined me asked me what medicine I had taken prior to my visit to help alleviate my throat pain, to which I replied, “I took a multi-symptom liquid medicine because the pain was keeping me...

(0Day) Microsoft Windows JScript Error Object 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...

Vega Stealer Malware Takes Aim at Chrome, Firefox

A malware dubbed Vega Stealer has been uncovered, looking to make off with saved credentials and credit-card information in the Chrome and Firefox browsers. While it’s a simple payload for now, researchers said it has the ability to evolve into something more concerning in the future. Proofpoint,...

Apache Tika Header Command Injection

This module exploits a command injection vulnerability in Apache Tika 1.15 - 1.17 on Windows. A file with the image/jp2 content-type is used to bypass magic bytes checking. When OCR is specified in the request, parameters can be passed to change the parameters passed at command line to allow for...

Microsoft Windows JScript defineProperty Use-After-Free Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Microsoft Windows JScript. 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 withi...

Microsoft Windows JScript String Manipulation Integer Overflow 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 code that...

Microsoft Windows JScript String Manipulation Integer Overflow 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 code that...

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 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 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 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, then the length property of the object is going to be retrieved and converted ...

DNSExfiltrator - Data exfiltration over DNS request covert channel

DNSExfiltrator allows for transfering exfiltrate a file over a DNS request covert channel. This is basically a data leak testing tool allowing to exfiltrate data over a covert channel. DNSExfiltrator has two sides: 1. The server side , coming as a single python script dnsexfiltrator.py, which act...

Data Exfiltration over DNS Request Covert Channel: DNSExfiltrator

DNSExfiltrator allows for transfering exfiltrate a file over a DNS request covert channel. This is basically a data leak testing tool allowing to exfiltrate data over a covert channel. DNSExfiltrator has two sides: 1. The server side , coming as a single python script dnsexfiltrator.py , which ac...

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

Microsoft Internet Explorer 11 - jscript!JSONStringifyObject Use-After-Free var o1 = toJSON:function alert'o1'; return o2; var o2 = toJSON:function alert'o2'; CollectGarbage; return 'x'; JSON.stringifyo1; g df8.e48: Access violation - code c0000005 first chance First chance exceptions are reporte...

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

var o1 = toJSON:function alert'o1'; return o2; var o2 = toJSON:function alert'o2'; CollectGarbage; return 'x'; JSON.stringifyo1; g df8.e48: Access violation - code c0000005 first chance First chance exceptions are reported before any exception handling. This exception may be expected and handled...

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...

Microsoft Windows jscript!JsArraySlice Uninitialized Variable Exploit

Exploit for windows platform in category dos / poc Windows: Uninitialized variable in jscript!JsArraySlice CVE-2017-11855 There is an uninitialized variable vulnerability in jscript.dll. This issue could potentially be exploited through multiple vectors: - By opening a malicious web page in...