Vulnerability Spotlight: Remote code execution vulnerability in Apple Safari

Marcin Towalski of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. The Apple Safari web browser contains a remote code execution vulnerability in its Fonts feature. If a user were to open a malicious web page in Safari, they could trigger a type confusion, resulting in memory...

Vulnerability Spotlight: Use-after-free vulnerability in Windows 10 win32kbase

Marcin Towalski of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos is releasing the details of a use-after-free vulnerability in Windows 10. An attacker could exploit this vulnerability to gain the ability to execute arbitrary code in the kernel context. Microsoft...

Vulnerability Spotlight: Code execution vulnerability in Microsoft Media Foundation

Marcin Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Microsoft Media Foundation’s framework contains a code execution vulnerability. This specific bug lies in Media Foundations’ MPEG4 DLL. An attacker could provide a user with a specially crafted ASF file to exploit this...

Vulnerability Spotlight: Code execution vulnerability in Microsoft Excel

Marcin Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Microsoft Excel contains a code execution vulnerability. This specific bug lies in the component of Excel that handles the Microsoft Office HTML and XML file types, first introduced in Office 2000. Microsoft disclosed...

Vulnerability Spotlight: Information leak vulnerability in Adobe Acrobat Reader’s JavaScript function

Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an information leak vulnerability in Adobe Acrobat Reader. Acrobat supports a number of features, including the ability to process embedded JavaScript. An attacker could trigger...

Re2Pcap - Create PCAP file from raw HTTP request or response in seconds

Re2Pcap is abbreviation for Request2Pcap and Response2Pcap. Community users can quickly create PCAP file using Re2Pcap and test them against Snort rules. Re2Pcap allow you to quickly create PCAP file for raw HTTP request shown below POST /admin/tools/iplogging.cgi HTTP/1.1 Host: 192.168.13.31:80...

Threat Source newsletter (Jan. 30, 2020)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. Be sure to pay close attention Tuesday for some changes we have coming to Snort.org. We’ll spare you the details for now, but please bea...

Threat Source newsletter (Jan. 16, 2019)

Newsletter compiled by Jon Munshaw. Welcome to this week’s Threat Source newsletter — the perfect place to get caught up on all things Talos from the past week. This wasn’t your average Patch Tuesday. Microsoft’s monthly security update was notable for a few reasons. For starters, it’s really tim...

Vulnerability Spotlight: Bitdefender BOX 2 bootstrap remote code execution vulnerabilities

Claudio Bozzato, Lilith Wyatt and Dave McDaniel of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. The Bitdefender BOX 2 contains two remote code execution vulnerabilities in its bootstrap stage. The BOX 2 is a device that protects users’ home networks from a variety of threats...

Microsoft Patch Tuesday — Jan. 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw. Updated January 15th: Added an Advanced Custom Detection ACD signature for AMP that can be used to detect exploitation of CVE-2020-0601 by spoofing certificates masquerading as a Microsoft ECC Code Signing Certificate Authority. Microsoft released its monthly security update today...

New Snort rules protect against recently discovered Citrix vulnerability

By Edmund Brumaghin, with contributions from Dalton Schaadt. Executive Summary Recently, the details of a critical vulnerability affecting Citrix Application Delivery Controller and Citrix Gateway servers were publicly disclosed. This vulnerability is currently being tracked using CVE-2019-19781....

Vulnerability Spotlight: Code execution vulnerability in E2fsprogs

Lilith ^^ of Cisco Talos discovered this vulnerability. E2fsprogs contains an exploitable code execution vulnerability in its directory rehashing functionality. This set of programs is often considered essential software for many Linux and Unix machines and ships by default on most Linux systems...

Vulnerability Spotlight: Two buffer overflow vulnerabilities in OpenCV

Dave McDaniel of Cisco Talos discovered these vulnerabilities. Cisco Talos recently discovered two buffer overflow vulnerabilities in the OpenCV libraries. An attacker could potentially exploit these bugs to cause heap corruptions and potentially code execution. Intel Research originally develope...

Cisco ASA DoS bug attacked in wild

By Nick Biasini. Cisco Talos has recently noticed a sudden spike in exploitation attempts against a specific vulnerability in our Cisco Adaptive Security Appliance ASA and Firepower Appliance. The vulnerability, CVE-2018-0296, is a denial-of-service and information disclosure directory traversal...

2019: The year in malware

By Jon Munshaw. From ransomware attacks to DNS deception, attackers were just as active as ever in 2019. This year saw a number of big-name malware families come onto the scene, including Sea Turtle, one of the most high-profile DNS hijacking attempts in recent memory. BlueKeep also stirred up...

Vulnerability Spotlight: Kakadu Software SDK ATK marker code execution vulnerability

Aleksandar Nikolic and Emmanuel Tacheau of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Kakadu Software’s SDK contains an exploitable heap overflow. Kakadu serves as a framework for developers to create a variety of commercial and non-commercial applications. An attacker could...

Vulnerability Spotlight: Information leak vulnerability in Adobe Acrobat Reader

Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered an information leak vulnerability in Adobe Acrobat Reader DC. An attacker could exploit this vulnerability by tricking the victim into opening a specially crafted, malicious PDF,...

Vulnerability Spotlight: Apple Safari SVG marker element baseVal remote code execution vulnerability

Marcin Towalski of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Apple’s Safari web browser is open to a remote code execution vulnerability via its SVG marker element feature inside the Safari WebKit. Safari uses the WebCore DOM rendering system in WebKit. Rendering engine allo...

Microsoft Patch Tuesday — Dec. 2019: Vulnerability disclosures and Snort coverage

By Jon Munshaw. Microsoft released its monthly security update today, disclosing vulnerabilities across many of its products and releasing corresponding updates. This month's Patch Tuesday covers 25 vulnerabilities, two of which are considered critical. This month’s security update covers securit...

Vulnerability Spotlight: AMD ATI Radeon ATIDXX64.DLL shader functionality sincos denial-of-service vulnerability

Piotr Bania of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a denial-of-service vulnerability in a specific dll inside of the AMD ATI Radeon line of video cards. This vulnerability can be triggered by supplying a malformed pixel shader inside a...