AppCheck Security Blog
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Apache Struts (CVE-2017-9805)
/ Posted September 06, 2017
Security researchers announced on 05 September 2017, a critical remote code execution vulnerability in Apache Struts.
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Apache Struts (CVE-2017-9805)
Security Alerts / Posted September 06, 2017
Security researchers announced on 05 September 2017, a critical remote code execution vulnerability in Apache Struts.
Read morePetya Ransomware: The Basics
Security Alerts / Posted June 28, 2017
A little over two months on since WannaCry set the internet on fire, a new release of ransomware is spreading around the world, as experts unfortunately warned might happen.
Read moreCritical Joomla 3.7 SQL Injection Vulnerability Patched
Product Security Alerts / Posted May 18, 2017
On the 17th of May 2017, the Joomla team issued a patch for a high severity security flaw that could allow a remote unauthenticated attacker to execute arbitrary SQL queries on the target system. A malicious attacker could exploit this flaw to read, create, modify and delete data stored within the database. It is also possible to gain administrator control of the Joomla CMS and execute PHP code on the affected server by exploiting this flaw.
Read moreWanaCrypt0r – Ransom Attack
Security Alerts / Posted May 13, 2017
With the global spread of this particular malware on Friday and the media coverage it has received, it is understandable that many customers are wanting to know more about this threat and what they can do to protect against it.
Read moreNew Apache Struts Zero Day Vulnerability Discovered
Security Alerts / Posted March 09, 2017
On the 6th March 2017 information security researchers have discovered a Zero-Day vulnerability in Apache Struts web application framework, which is being actively exploited in the wild and is under active attack. Apache Struts is a free, open-source, Model-View-Controller (MVC) framework for creating elegant, modern Java web applications, which supports REST, AJAX, and JSON.
Read moreDetecting and Exploiting the PHPMailer RCE
Research Security Alerts / Posted January 04, 2017
On the 25th of December 2016, a security researcher disclosed a critical security flaw within a popular PHP library used to send emails. The PHPMailer library is used by more than 9 million websites worldwide and is bundled with popular open source PHP content management systems such as WordPress. At worst the flaw could be exploited to execute arbitrary PHP code on the affected system. This would allow the remote attacker to take complete control of the application and launch further attacks against the system and internal network. PHPMailer versions below 5.2.20 are affected along with a number of other libraries that include the vulnerable code; such as SwiftMail and the Zend Framework.
Read moreHigh Severity Joomla Vulnerability Patched
Security Alerts / Posted October 26, 2016
On the 25th of October 2016, the Joomla team issued a patch for a high severity security flaw that could allow a remote unauthenticated attacker to create administrative accounts on the target system. AppCheck was updated on the same day to detect and safely exploit the vulnerability.
Read moreHunting HTML 5 PostMessage Vulnerabilities
News Product Research / Posted August 10, 2016
AppCheck partnered with Sec-1 Ltd to undertake a research project investigating the security challenges posed by next generation web applications. The project included an investigation of Cross-Origin communication mechanisms provided via HTML5 including postMessage and CORS.
One of the key findings from the research shows that vulnerabilities introduced through an insecure postMessage implementation are frequently missed by security scanners and consultants performing manual review.
Read moreWordPress 4.5.1 Cross-Site Scripting (CVE-2016-4566)
Security Alerts / Posted May 12, 2016
WordPress versions 4.5.1 and earlier are affected by a XSS vulnerability through Plupload,the third-party library WordPress uses for uploading files. WordPress versions 4.2 through 4.5.1 are vulnerable to reflected XSS using specially crafted URIs through MediaElement.js, the third-party library used for media players. MediaElement.js and Plupload have also released updates fixing these issues.
Read moreCritical Security Flaw in ImageMagick (imagetragick)
Security Alerts / Posted May 06, 2016
A vulnerability with a widely deployed image processing library was disclosed on the 5th of May 2016. Within an hour of the disclosure AppCheck NG was updated to detect the flaw.
A Practical View of the Most Common Threats Facing Web Apps Today
The Web Application Security seminar is a free event that presents a detailed analysis of the most common threats facing web applications today. We will review high profile examples and provide a technical breakdown of critical security flaws along with an introduction into emerging technologies such as HTML5.
Each candidate will receive a copy of the slides and exclusive tools and exploit code used in the live hacking demonstrations.