Operation PowerFall: CVE-2020-0986 and variants

In August 2020, we published a blog post about Operation PowerFall. This targeted attack consisted of two zero-day exploits: a remote code execution exploit for Internet Explorer 11 and an elevation of privilege exploit targeting the latest builds of Windows 10. While we already described the...

Hacker Infrastructure and Underground Hosting 101

Ever wonder how cybercriminals host content on the internet without a takedown or an arrest, and what makes them difficult to track down? We have the answers and insights...

openSIS SQL Injection Vulnerability (CNVD-2020-50531)

openSIS is a free, open source student information system/school management software. A SQL injection vulnerability exists in the fn parameter in CheckDuplicateStudent.php in openSIS 7.3. An attacker can exploit this vulnerability by sending an HTTP request to perform a SQL injection attack...

The vulnerability of the Internet Explorer browser’s script handler allows a hacker to execute arbitrary code.

The vulnerability of the Internet Explorer browser’s script handler exists due to errors in memory object handling. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Internet Explorer browser’s script handler allows a hacker to execute arbitrary code.

The vulnerability of the Internet Explorer browser’s script handler exists due to errors in memory object handling. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the MSHTML mechanism in the Internet Explorer browser, allowing a hacker to execute arbitrary code

The vulnerability of the MSHTML mechanism in the Internet Explorer browser is related to errors in data processing. Exploiting this vulnerability allows a remote attacker to perform arbitrary actions...

Cisco IOS and Cisco IOS XR Resource Management Error Vulnerability

Cisco IOS and Cisco IOS XR are both operating systems developed by Cisco for its network devices. A security vulnerability in DVMRP in Cisco IOS XR Software, which stems from insufficient queue management of Internet Group Management Protocol IGMP packets, could allow an attacker to send carefull...

Vulnerability fixed in Cisco IOS XR

Cisco has fixed a vulnerability in the Distance Vector Multicast Routing Protocol DVMRP functionality in IOS XR. The vulnerability allows an unauthenticated remote malicious person able to cause a Denial-of-Service on the vulnerable device. To do so, the malicious party needs to send rogue IGMP...

A Spate of Arrests Sends the Piracy World Reeling

Plus: ATM hacks, the Belarus internet shutdown, and more of the week's top security news...

VulnCheck KEV: CVE-2020-3566

Cisco IOS XR Distance Vector Multicast Routing Protocol DVMRP incorrectly handles Internet Group Management Protocol IGMP packets. Exploitation could allow an unauthenticated, remote attacker to immediately crash the IGMP process or make it consume available memory and eventually crash...

VulnCheck KEV: CVE-2020-3569

Cisco IOS XR Distance Vector Multicast Routing Protocol DVMRP incorrectly handles Internet Group Management Protocol IGMP packets. Exploitation could allow an unauthenticated, remote attacker to immediately crash the IGMP process or make it consume available memory and eventually crash...

BIND: Multiple vulnerabilities

Background BIND Berkeley Internet Name Domain is a Name Server. Description Multiple vulnerabilities have been discovered in BIND. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no known workarou...

BIG-IP Access Control Error Vulnerability (CNVD-2020-50542)

F5 BIG-IP is an application delivery platform from F5 USA that integrates network traffic management, application security management, load balancing and other functions. Vulnerabilities exist in BIG-IP versions between 15.0.0 and 15.1.0.4,14.1.0 and 14.1.2.6,13.1.0 and 13.1.3.3,12.1.0 and...

Cisco NX-OS Denial of Service Vulnerability (CNVD-2020-49933)

Cisco NX-OS is the network operating system for the Cisco Nexus family of Ethernet switches and the MDS family of Fibre Channel storage area network switches. A denial-of-service vulnerability exists in the Protocol-Independent Multicast PIM feature for IPv6 networks PIM6 in Cisco NX-OS. The...

DEBIAN-CVE-2020-24661

GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates e.g., self-signed certificates when the client system is not configured to use a system-provided PKCS11 store. This allows a meddler in the middle to present a...

UBUNTU-CVE-2020-24661

GNOME Geary before 3.36.3 mishandles pinned TLS certificate verification for IMAP and SMTP services using invalid TLS certificates e.g., self-signed certificates when the client system is not configured to use a system-provided PKCS11 store. This allows a meddler in the middle to present a...

PT-2020-3782 · Cisco · Cisco Ios Xr

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Description: The issue is related to the Distance Vector Multicast Routing Protocol DVMRP feature of Cisco IOS XR Software, which could allow an unauthenticated, remote attacker to exhaust...

Cisco Small Business Smart and Managed Switches Denial of Service Vulnerability

Cisco Small Business Smart and Managed Switches is a Cisco switch device. A denial of service vulnerability exists in Cisco Small Business Smart and Managed Switches handling IPV6 traffic, which can be exploited by remote attackers to cause a denial of service by sending specially crafted IPv6...

Microsoft Azure Sphere Capability access control privilege escalation vulnerability

Talos Vulnerability Report TALOS-2020-1133 Microsoft Azure Sphere Capability access control privilege escalation vulnerability August 24, 2020 CVE Number None SUMMARY A privilege escalation vulnerability exists in the Capability access control functionality of Microsoft Azure Sphere 20.06. A set ...

Taking Transport Layer Security (TLS) to the next level with TLS 1.3

Transport Layer Security TLS 1.3 is now enabled by default on Windows 10 Insider Preview builds, starting with Build 20170, the first step in a broader rollout to Windows 10 systems. TLS 1.3 is the latest version of the internet’s most deployed security protocol, which encrypts data to provide a...