Mail.ru: XSS on https://account.mail.ru/login via postMessage

Обработчик сообщений на страничке https://account.mail.ru/login не проверяет источник, что позволяет вызвать любую доступную команду с произвольного ресурса: js // https://img.imgsmail.ru/ag/0.3.3/authGate.js:formatted function ca a = a || window.event; var c, d, h = , i = a.data, j = a.source; i...

Analysis Firefox the shared array buffer of the UAF exploit-vulnerability warning-the black bar safety net

This article explores the structured cloning algorithm to handle the shared array buffer occurs when a reference leakage problems. While the lack of overflow checking, can be exploited to execute arbitrary code. Is divided into the following sections: Background, vulnerability, summary We exploit...

Shopify: XSS on any Shopify shop via abuse of the HTML5 structured clone algorithm in postMessage listener on "/:id/digital_wallets/dialog"

Description The /:id/digitalwallets/dialog endpoint is used to display a small dialog box relating to the "digital wallets" functionality on a shop. The endpoint includes a script that listens for postMessages without validating the origin of messages. However, the impact of the missing validatio...

PostMessage cross-domain vulnerability-vulnerability warning-the black bar safety net

Note: this article is“millet Security Center”original, reprint please contact the“millet Security Center” Background Value: $3000 Vulnerability cause: postMessage cross-domain vulnerabilities to cause, the use of the websocket receives a user authentication token Original address:...

Slack: Bypass to postMessage origin validation via FTP

@a1kmm- discovered a bypass to our postMessage origin check, wherein an attacker with existing MITM capabilities could use FTP to bypass validation and view XOXS tokens of victims on the local network. This was related to, and investigated at the same time as, a previous report. This issue is now...

Slack: Stealing xoxs-tokens using weak postMessage / call-popup redirect to current team domain

@fransrosen discovered a vulnerability which would allow an attacker running a malicious site to steal XOXS tokens. We resolved the postMessage and call-popup redirect issues, and performed a thorough investigation to confirm that this had never been exploited. Thanks @fransrosen for an interesti...

HackerOne: Stealing contact form data on www.hackerone.com using Marketo Forms XSS with postMessage frame-jumping and jQuery-JSONP

Hi, I just discovered that there's a scenario where the Marketo Forms solution being used on www.hackerone.com can actually be abused, using a few fun techniques, to trigger an XSS in the Cross-Origin-iframe being used by Marketo. This results in eavesdropping of the data being sent in the...

Popular applications AddThis presence postMessage XSS vulnerability million sites are affected-vulnerability warning-the black bar safety net

AddThis is a paragraph with more than one million users use the web pages Share button. In the earlier this year is found to existXSSvulnerabilities. In a previous article has described the postMessage API defects. And this article will describe how I identified and then use the AddThis Share...

Google Chrome Blink Serializer::doSerialize Bad Cast

Throughout November, I plan to release details on vulnerabilities I found in web-browsers which I've not released before. This is the ninth entry in that series, and the first to not target a Microsoft browser. The below information is available in more detail on my blog at...

advisories

About me Twitter: @justinstevenhttps://twitter.com/justins...

Ebay Cross Site Scripting

Hello all, Description: Persistent DOM based Cross Site Scripting on ebay.com domain. Disclosed to Ebay: January 2015 Fixed: February 2016 Vulnerability location: Every listing Who are able to create: Sellers Same origin policy bypass via postMessage Write-up:...

X (Formerly Twitter): XSS platform.twitter.com

Since you have fixed a few problems with the FlashTransport on platform.twitter.com already, I though I would also take a look at the JavaScript around it. Problem URL: https://platform.twitter.com/widgets/hub.html Description: The mentioned page opens URLs send to it via postMessage or...

Windows 2000/XP/2003 win32k.sys SfnINSTRING local kernel Denial of Service Vulnerability

No description provided by source. / Windows 2000/XP/2003 win32k.sys SfnINSTRING local kernel Denial of Service Vulnerability Effect : Microsoft Windows 2000/XP/2003 full patch Author:MJ0011 Published: 2010-04-22 Vulnerability Details: Win32k.sys in DispatchMessage when the last call to...

CVE-2014-1346

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL...

Design/Logic Flaw

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL...

CVE-2014-1346

CVE-2014-1346 affects WebKit as used in Apple Safari before 6.1.4 and 7.x before 7.0.4. The issue is an encoding/unicode handling flaw in URLs that allows remote attackers to spoof a postMessage origin and bypass restrictions when sending a message to a connected frame/window. Impact is spoofing ...

CVE-2014-1346

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL...

CVE-2014-1346

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL...

CVE-2014-1346: Improper Input Validation

WebKit, as used in Apple Safari before 6.1.4 and 7.x before 7.0.4, does not properly interpret Unicode encoding, which allows remote attackers to spoof a postMessage origin, and bypass intended restrictions on sending a message to a connected frame or window, via crafted characters in a URL...

PT-2014-4126

Name of the Vulnerable Software and Affected Versions Apple Safari versions prior to 6.1.4 Apple Safari versions 7.x prior to 7.0.4 Description The issue allows remote attackers to bypass intended restrictions on sending a message to a connected frame or window. This is achieved by spoofing a...