Mozilla Firefox webkitdirectory local files disclosure (CVE-2017-5414)

I have reported three different bugs to Mozilla in the webkitdirectory feature. Luckily the folder picker was only implement in Mozilla's Nightly browser, which is meant to test out new features before landing in the stable version. Bug 1295914 - webkitdirectory could be used to trick users into...

Nextcloud: CSRF token validation is missing

Greetings, Hello Security Team, Summary I know this is a medium risk issue but i want you guys to be aware of it that the CSRF token validation is missing at the time of login on https://portal.nextcloud.com/login.php login page. PoC Code: Email Password Login Now Forgot Password? var tabs = '';...

PHPCMS v9. 6. 0 arbitrary file upload vulnerability analysis-vulnerability warning-the black bar safety net

Author: p0wd3r know Chong Yu 404 security lab Date: 2017-04-12 0x00 vulnerability overview Vulnerability description A few days ago phpcms v9. 6 arbitrary file upload vulnerability caused by a safety ring hot, by the vulnerability the attacker may be in the unauthorized case any file is uploaded,...

Apple WebKit - Document::adoptNode Use-After-Free Exploit

Exploit for multiple platform in category dos / poc var s = document.body.appendChilddocument.createElement'script'; s.type = '0'; s.textContent = 'document.body.appendChildparent.i0'; var i0 = s.appendChilddocument.createElement'iframe'; s.type = ''; var f =...

Apple WebKit - JSC::SymbolTableEntry::isWatchable Heap Buffer Overflow Exploit

Exploit for multiple platform in category dos / poc function x = 0 var a; function arguments function b var g = 1; a5; f; g; ; , unsigned int, unsigned int webkit/WebKitBuild/Release/JavaScriptCore.framework/Versions/A/JavaScriptCore+...

Multiple BestWebSoft Plugins - Authenticated Cross-Site Scripting (XSS)

PoC http://www.example.com/wp-admin/admin.php?page=bwspanel=%22%3E%3C%2Fscript%3E%3Cscript%3Ealert%2842%29%3C%2Fscript%3E...

Xen - Broken Check in memory_exchange() Permits PV Guest Breakout

Xen - Broken Check in memoryexchange Permits PV Guest Breakout Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1184 This bug report describes a vulnerability in memoryexchange that permits PV guest kernels to write to an arbitrary virtual address with hypervisor privileges. The...

Xen - Broken Check in 'memory_exchange()' Permits PV Guest Breakout

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=1184 This bug report describes a vulnerability in memoryexchange that permits PV guest kernels to write to an arbitrary virtual address with hypervisor privileges. The vulnerability was introduced through a broken fix for...

Quest Privilege Manager 6.0.0 Arbitrary File Write

!/usr/bin/env python2 """ Exploit Title: Quest Privilege Manager pmmasterd Arbitrary File Write Date: 10/Mar/2017 Exploit Author: m0t Vendor Homepage: https://www.quest.com/products/privilege-manager-for-unix/ Version: 6.0.0-27, 6.0.0-50 Tested on: ubuntu 14.04 x8664, ubuntu 16.04 x86, ubuntu 12....

WebKit Synchronous Page Load UXSS

WebKit: UXSS via a synchronous page load CVE-2017-2480 Here's a snippet of the method SubframeLoader::requestFrame which is invoked when the |src| of an iframe object is changed. bool SubframeLoader::requestFrameHTMLFrameOwnerElement& ownerElement, const String& urlString, const AtomicString&...

Moxa MX-AOPC UA Server 1.5 XML Injection

Credits: John Page AKA HYP3RLINX + Website: hyp3rlinx.altervista.org + Source: http://hyp3rlinx.altervista.org/advisories/MOXA-MX-AOPC-SERVER-v1.5-XML-EXTERNAL-ENTITY.txt + ISR: ApparitionSec Vendor: ============ www.moxa.com Product: ======================= MX-AOPC UA SERVER - 1.5 Moxa's MX-AOPC...

WebKit WebCore::toJS Use-After-Free

WebKit: WebCore::toJS use-after-free CVE-2017-2476 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of WebKit nightly. PoC: ================================================================= function freememory var a; forvar i=0;i...

Apple WebKit disconnectSubframes UXSS

Apple WebKit: UXSS via disconnectSubframes CVE-2017-2445 When an element is removed from a document, the function |disconnectSubframes| is called to detach its subframesiframe tag, object tag, etc.. Here is a snippet of |disconnectSubframes|. void disconnectSubframesContainerNode& root,...

WebKit constructJSReadableStreamDefaultReader Type Confusion

WebKit: Type confusion in constructJSReadableStreamDefaultReader CVE-2017-2457 EncodedJSValue JSCHOSTCALL constructJSReadableStreamDefaultReaderExecState& exec VM& vm = exec.vm; auto scope = DECLARETHROWSCOPEvm; JSReadableStream stream = jsDynamicDowncastexec.argument0; if !stream return...

Apple WebKit JSCallbackData UXSS

Apple Webkit: UXSS with JSCallbackData CVE-2017-2442 Here is the definition of |JSCallbackData| class. This class is used to call a javascript function from a DOM object. class JSCallbackDataStrong : public JSCallbackData public: JSCallbackDataStrongJSC::JSObject callback, void :...

WebKit ComposedTreeIterator::traverseNextInShadowTree Use-After-Free

WebKit: ComposedTreeIterator::traverseNextInShadowTree use-after-free CVE-2017-2466 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on a nightly version of WebKit. The PoC has also been observed to crash Safari 10.0.2 on Mac. PoC:...

Apple Webkit Named Property UXSS

Apple Webkit: UXSS by accessing a named property from an unloaded window CVE-2017-2367 The frame is not detached from an unloaded window. We can access to the new document's named properties via the following function. static bool...

WebKit FormSubmission::create Use-After-Free

WebKit: use-after-free in FormSubmission::create CVE-2017-2460 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on a nightly version of WebKit. The PoC has also been observed to crash Safari 10.0.2 on Mac. Please note: This bug is subject to a 90 day...

WebKit HTMLInputElement Use-After-Free

WebKit: HTMLInputElement use-after-free CVE-2017-2454 There is a use-after-free security vulnerability related to how the HTMLInputElement is handled in WebKit. The vulnerability was confirmed on a nightly build of WebKit. The PoC also crashes Safari 10.0.2 on Mac. PoC:...

WebKit RenderLayer Use-After-Free

WebKit: use-after-free in RenderLayer CVE-2017-2455 There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on the latest nightly build of WebKit. The PoC also crashes Safari 10.0.2 on Mac. PoC and ASan log follow PoC:...