Threat Source newsletter (March 12, 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. Obviously, COVID-19 is dominating headlines everywhere, and for good reason. We hope everyone out there is staying safe and healthy and...

Microsoft Patch Tuesday — March 2020: Vulnerability disclosures and Snort coverage

By Jon Munshaw and Vitor Ventura. Update March 12, 2020: Microsoft released an out-of-band patch for CVE-2020-0796, a code execution vulnerability SMB client and server for Windows. An unauthenticated attacker could exploit this vulnerability to execute remote code. Snort rules 53425 - 53428...

Linux: Read /etc/audit/audit.rules (KB)

audit.rules is a file containing audit rules that will be loaded by the audit daemons init script whenever the daemon is started. The auditctl program is used by the initscripts to perform this operation. The syntax for the rules is essentially the same as when typing in an auditctl command at a...

Arbitrary Code Execution

Overview node-rules is a light weight forward chaining Rule Engine, written in JavaScript. Affected versions of this package are vulnerable to Arbitrary Code Execution. The injection point is located in line 152,153. The argument rules of function fromJSON can be controlled by users without any...

Improper access control

An issue was discovered in GitLab Community and Enterprise Edition 8.4 through 11.11. The protected branches feature contained a access control issue which resulted in a bypass of the protected branches restriction rules. It has Incorrect Access Control...

CVE-2019-12441

Removed by vendor...

Hardware Router CTF

Here at Pen Test Partners we love hardware and also love a good CTF. So here's how I figured out my way through the hardware CTF that PTP set as a pre-requisite for some interviews. I'm pretty new to hardware, so learned quite a bit along the way. We have now moved on to a new 'interview' CTF so,...

Exploit for CVE-2020-1938

CVE-2020-1938 Suricata 检测规则 suricata CNVD-2020-10487...

CVE-2019-11189

Authentication Bypass by Spoofing in org.onosproject.acl access control and org.onosproject.mobility host mobility in ONOS v2.0 and earlier allows attackers to bypass network access control via data plane packet injection. To exploit the vulnerability, an attacker sends a gratuitous ARP reply tha...

CVE-2019-11189

The CVE describes an Authentication Bypass in ONOS v2.0 and earlier via data plane packet injection. A gratuitous ARP reply can trigger the host mobility application to remove existing access control flow denial rules, and the access control app does not re-install those deny rules, allowing bypa...

Important: Red Hat Bug Fix Advisory: OpenShift Container Platform 3.11 bug fix update

Red Hat OpenShift Container Platform release 3.11.170 is now available with updates to packages and images that fix several bugs. Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This...

Vulnerability Spotlight: Memory corruption, DoS vulnerabilities in CoTURN

Aleksandar Nikolic of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. CoTURN contains denial-of-service and memory corruption vulnerabilities in the way its web server parses POST requests. CoTURN is a TURN server implementation that can be used as a general- purpose network traff...

DrSemu - Malware Detection And Classification Tool Based On Dynamic Behavior

Dr.Semu runs executables in an isolated environment, monitors the behavior of a process, and based on Dr.Semu rules created by you or the community, detects if the process is malicious or not. whoami:@qazqaz With Dr.Semu you can create rules to detect malware based on dynamic behavior of a proces...

License compatibility and merge rules for Veeam Availability Suite v10/v11

The following describes general licensing, compatibility and merge rules for end users/customers. It shows the monitoring and reporting capabilities of Veeam ONE licensed perpetually per socket and...

The vulnerability of the Apache SpamAssassin spam filtering software lies in its failure to address the neutralization of special elements used in the operating system command line. This allows attackers to execute arbitrary commands on the target system.

The vulnerability of the Apache SpamAssassin spam filtering software exists because measures are not taken to neutralize special elements used in the operating system’s command line. Exploiting this vulnerability allows a malicious actor to execute arbitrary commands on the target system by loadi...

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...