CVE-2017-5384

Proxy Auto-Config PAC files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed t...

CVE-2017-5384

Proxy Auto-Config PAC files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed t...

CVE-2017-5384

CVE-2017-5384 : Information disclosure via Proxy Auto-Config (PAC) in Firefox

CVE-2017-5384: Exposure of Sensitive Information to an Unauthorized Actor

Proxy Auto-Config PAC files can specify a JavaScript function called for all URL requests with the full URL path which exposes more information than would be sent to the proxy itself in the case of HTTPS. Normally the Proxy Auto-Config file is specified by the user or machine owner and presumed t...

Windows WPAD Service Elevation of Privilege Vulnerability

Microsoft Windows is a series of operating systems released by the American company Microsoft. An elevation of privilege vulnerability exists in the WPAD service enabled by Windows by default, which can be exploited by an attacker to remotely control a Windows system and gain maximum privileges o...

Windows: use-after-free in jscript!NameTbl::GetValDef(CVE-2017-11903)

There is a use-after-free vulnerability in jscript.dll. This issue could potentially be exploited through multiple vectors: - An attacker on the local network could exploit this issue by posing as a WPAD Web Proxy Auto-Discovery host and sending a malicious wpad.dat file to the victim. This works...

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 Internet Explorer. - currently untested An attacker on the local network could exploit this issue by posing as a WPAD Web Proxy...

Windows: Heap overflow in jscript!RegExpComp::Compile through IE or local network via WPAD(CVE-2017-11890)

There is a heap overflow in jscript.dll when compiling a regex. This issue could potentially be exploited through multiple vectors: - An attacker on the local network could exploit this issue by posing as a WPAD Web Proxy Auto-Discovery host and sending a malicious wpad.dat file to the victim. Th...

Project Zero Chains Bugs for ‘aPAColypse Now’ Attack on Windows 10

Google’s Project Zero released details of a local proof-of-concept attack against a fully patched Windows 10 PC that allows an adversary to execute untrusted JavaScript outside a sandboxed environment on targeted systems. The attack is a variation of a WPAD/PAC attack. In Project Zero’s case, the...

Microsoft Windows - jscript!JsArraySlice Uninitialized Variable

Microsoft Windows - jscript!JsArraySlice Uninitialized Variable var x = new URIErrornew Array, undefined, undefined; String.prototype.localeCompare.callx, new Date0, 0, 0, 0, 0, 0, undefined; Array.prototype.slice.call1; !-- ============================================ Technical details: The issu...

Microsoft Windows - 'jscript!RegExpComp::Compile' Heap Overflow Through IE or Local Network via WPAD

var s = 'a'; forvar i=0;i !-- ============================================ PoC for WPAD: ========================...

Microsoft Windows - 'jscript!JsArraySlice' Uninitialized Variable

var x = new URIErrornew Array, undefined, undefined; String.prototype.localeCompare.callx, new Date0, 0, 0, 0, 0, 0, undefined; Array.prototype.slice.call1; !-- ============================================ Technical details: The issue is in jscript!JsArraySlice Array.prototype.slice.call in the P...

Microsoft Windows jscript!RegExpComp::Compile Heap Overflow Exploit

There is a heap overflow in jscript.dll when compiling a regex. This issue could potentially be exploited through multiple vectors. Windows: Heap overflow in jscript!RegExpComp::Compile through IE or local network via WPAD CVE-2017-11890 There is a heap overflow in jscript.dll when compiling a...

Microsoft Windows jscript!NameTbl::GetValDef Use-After-Free Exploit

Exploit for windows platform in category dos / poc Windows: use-after-free in jscript!NameTbl::GetValDef CVE-2017-11903 There is a use-after-free vulnerability in jscript.dll. This issue could potentially be exploited through multiple vectors: - An attacker on the local network could exploit this...

Microsoft Windows - jscript!RegExpComp::Compile Heap Overflow Through IE or Local Network via WPAD

Microsoft Windows - jscript!RegExpComp::Compile Heap Overflow Through IE or Local Network via WPAD var s = 'a'; forvar i=0;i...

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!RegExpFncObj::LastParen Out-of-Bounds Read

Microsoft Windows - jscript!RegExpFncObj::LastParen Out-of-Bounds Read function go var r= new RegExpArray100.join''; ''.searchr; alertRegExp.lastParen; go; r rax=0000000000000063 rbx=000000000476fd90 rcx=0000000000000063 rdx=0000000000000064 rsi=000000000476fd90 rdi=000007fef23d37d0...

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...

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 FindProxyForURLurl, host var vars = new Array100; forv...

WIndows jscript!JsArraySlice Uninitialized Variable

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 Internet Explorer. - currently untested An attacker on t...