Security related news

Vulnerabilities in .NET Core, ASP.NET Core Could Allow Elevation of Privilege

Microsoft Security Advisory 4021279: Microsoft is releasing this security advisory to provide information about vulnerabilities in public .NET Core and ASP.NET Core. This advisory also provides guidance on what developers can do to update their applications correctly.

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Penetration Testers’ Guide to Windows 10 Privacy & Security

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Andrew Douma, a vendor-neutral consultant, writes in Penetration Testers’ Guide to Windows 10 Privacy & Security:

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Joomla! (< 3.6.4) Account Creation/Elevated Privileges write-up and exploit

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Yesterday, Melvin Lammerts wrote an article on the account creation with elevated privileges vulnerability in Joomla! < 3.6.4. And included a PoC exploit. This Joomla! vulnerability makes it easy for an attacker to create an user account, even when user registration is turned off. Yikes!

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Samsung’s smart camera. A tale of IoT & network security

Pen Test Partners writes about IoT and security in the Samsung smart camera SNH-6410BN. They discovered eleven (11) issues, chained together to gain root access. Got r00t?

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“How we broke PHP, hacked Pornhub and earned $20,000”

This is a very interesting read on how Dario Weißer (@haxonaut), cutz and Ruslan Habalov (@evonide) were able to find a PHP unserialize bug to exploit and gain remote code execution on Pornhub. Pornhub’s bug bounty program is at Hackerone In stead of actively attacking Pornhub, they took another road and attacked what Pornhub is built upon: PHP.

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MySQL DoS in the Procedure Analyse Function – CVE-2015-4870

Sri Lankan Security researcher Osanda Malith discovered a DoS -or crash- vulnerability in MySQL’s Procedure Analyse Function. The vulnerability crashes MySQL versions up to 5.5.45.

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Breaking into a WordPress site without knowing WordPress/PHP or InfoSec at all

Someone posted to notehub.org an article on how he broke into his college’s WordPress website, without having any prior knowledge of WordPress, PHP, and without any experience with hacking web servers. The attempts were spread out over a month, but effectively totaled a day maybe. The author said to have learned a lot of things while doing the research part which accounted for most of his time, though. On NoteHub, he shares some of the relevant details and how he went along doing this.

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XSS Vulnerability in Wordfence 6.1.1 to 6.1.6

Security researcher Kacper Szurek reported a reflected XSS vulnerability in the current version of Wordfence. The CVSS scoring mechanism rates the severity of this XSS vulnerability as medium. A Wordfence update 6.1.7 is released to address the XSS vulnerability.

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WordPress 4.5.2 Security Release

WordPress 4.5.2 – a security release – is just released tonight. WordPress 4.5.2 fixes a vulnerability through Plupload, the third-party library WordPress uses for uploading files.

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ImageMagick Is On Fire –  CVE-2016-3714

TL;DR: There are multiple vulnerabilities in ImageMagick, a package commonly used by web services to process images. One of the vulnerabilities can lead to remote code execution (RCE) if you process user submitted images. The exploit for this vulnerability is being used in the wild.

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Binary webshell through OPcache in PHP 7

GoSecure wrote up a new PHP exploitation technique using the default OPcache engine from PHP 7. Using this attack vector, it’s possible to bypass certain hardening techniques that disallow the file write access in the web directory. This could be used by an attacker to execute his own malicious code in a hardened environment.

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.NET Framework 4.6 allows side loading of Windows API Set DLL

Securify reports: A DLL side loading vulnerability was found in the .NET Framework version 4.6 when running on Windows Vista or Windows 7. This issue can be exploited by luring a victim into opening an Office document from the attacker’s share. An attacker can use this issue to execute arbitrary code with the privileges of the target user. This can potentially result in the attacker taking complete control of the affected system. If the WebDAV Mini-Redirector is enabled, it is possible to exploit this issue over the internet. This issue can be exploited even if the Office document is opened in Protected View.

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Cracking PHP rand()

Sjoerd Langkemper writes about Cracking PHP rand(): Webapps occasionaly need to create tokens that are hard to guess. For example for session tokens or CSRF tokens, or in forgot password functionality where you get a token mailed to reset your password. These tokens should be cryptographically secure, but are often made by calling rand() multiple times and transforming the output to a string. This post will explore how hard it is to predict a token made with rand().

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Security Advisory: Stored XSS in Magento

Sucuri reports an stored cross site scripting (XSS) vulnerability in Magento CE <1.9.2.3 and Magento EE <1.14.2.3. This vulnerability affects almost every install of these versions, time to upgrade your Magento webshop!

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WhatsApp prepares to share user info with Facebook – Time to switch

Android Authority reports: It was likely only a matter of time before Facebook and WhatsApp became more intertwined after the social media giant purchased the messaging service back in 2014. Now the first clues that closer integration is looming have appeared, as users have managed to find some new options tucked away in the latest beta build.

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