VBScript - OLEAUT32!VariantClear and scrrun!VBADictionary::put_Item Use-After-Free

VBScript - OLEAUT32!VariantClear and scrrun!VBADictionary::putItem Use-After-Free Class class2 Private Sub ClassTerminate var17.RemoveAll End Sub End Class Set var17 = CreateObject"Scripting.Dictionary" Set var17.Item"foo" = new class2 var17.Item"foo" = 1 !--...

Microsoft VBScript rtFilter Out-Of-Bounds Read

vbscript: out-of-bounds read in rtFilter CVE-2018-8552 There is an out-of-bounds vulnerability in Microsoft VBScript. The vulnerability has been confirmed in Internet Explorer on Windows 7 with the latest patches applied. PoC: Note that Page Heap might need to be enabled to observe the crash...

VBScript - 'rtFilter' Out-of-Bounds Read

On Error Resume Next Class class1 Public Default Property Get x ReDim arr1 End Property End Class set c = new class1 arr = Array"b", "b", "a", "a", c Call Filterarr, "a" !-- =============================================================================== Preliminary Analysis: The rtFilter function...

VBScript - rtFilter Out-of-Bounds Read

VBScript - rtFilter Out-of-Bounds Read On Error Resume Next Class class1 Public Default Property Get x ReDim arr1 End Property End Class set c = new class1 arr = Array"b", "b", "a", "a", c Call Filterarr, "a" !-- ===============================================================================...

VBScript - 'OLEAUT32!VariantClear' and 'scrrun!VBADictionary::put_Item' Use-After-Free

Class class2 Private Sub ClassTerminate var17.RemoveAll End Sub End Class Set var17 = CreateObject"Scripting.Dictionary" Set var17.Item"foo" = new class2 var17.Item"foo" = 1 !-- =============================================================================== Preliminary Analysis: 1st issue: In...

Microsoft VBScript OLEAUT32!VariantClear / scrrun!VBADictionary::put_Item Use-After-Free

vbscript: use-after-free in OLEAUT32!VariantClear and scrrun!VBADictionary::putItem CVE-2018-8544 There is a use-after-free vulnerability possibly two vulnerabilities triggerable by the same PoC, see below in Microsoft VBScript. The vulnerability has been confirmed in Internet Explorer on Windows...

Microsoft Windows VBScript Class_Terminate Scripting.Dictionary Use-After-Free Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Windows VBScript. 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...

Microsoft Windows VBScript Engine Remote Code Execution Vulnerability

Microsoft Windows is a series of operating systems released by Microsoft Corporation in the U.S. The Windows VBScript engine is one of the VBScript scripting language engines. Microsoft Windows is prone to a remote code execution vulnerability. An attacker can exploit this issue to execute...

CVE-2018-8552

An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet...

CVE-2018-8552

An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet...

CVE-2018-8544

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server...

CVE-2018-8544

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server...

Information disclosure

An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet...

CVE-2018-8552

An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet...

CVE-2018-8544

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server...

Remote code execution

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server...

CVE-2018-8552

An information disclosure vulnerability exists when VBScript improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data, aka "Windows Scripting Engine Memory Corruption Vulnerability." This affects Internet...

CVE-2018-8552

CVE-2018-8552 is an information disclosure vulnerability in the VBScript engine used by Internet Explorer (IE9/IE10/IE11). It allows memory contents to be disclosed, aiding user data compromise. Public exploit exists (Exploit-DB: 45924). CVSSv3 base 7.5 (HIGH) with network vector; user interactio...

CVE-2018-8544

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka "Windows VBScript Engine Remote Code Execution Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server...

CVE-2018-8544

CVE-2018-8544 is a remote code execution vulnerability in the Windows VBScript engine that corrupts memory when handling objects in VBScript. It affects multiple Windows versions (e.g., Windows 7, Windows 10, various Server editions) and is triggered by memory manipulation of VBScript objects, al...