Posts by Pearce Barry

June 2, 2023

Exploitation of Barracuda Email Security Gateway (ESG) appliances has made the news recently, including on-going investigation into the attacks. Leveraging a zero-day vulnerability as far back as October 2022, attackers compromised ESG targets to deploy malware that created …

April 20, 2023

PaperCut recently revealed that two products in its popular line of print server software contain severe vulnerabilities currently being exploited in the wild. Reported via the Trend Micro Zero Day Initiative, these vulnerabilities can be exploited by unauthenticated …

February 15, 2023

The OpenSSH team surfaced a security issue earlier this month that specifically affects OpenSSH server version 9.1p1 (a.k.a. version 9.1). This version contains a memory double-free vulnerability (tracked as CVE-2023-25136) that can be reached pre-authentication by a remote …

February 8, 2023

This Rapid Response post covers ESXiArgs, a new strain of ransomware that is targeting VMware ESXi servers. Learn how you can find potentially affected servers on your network.

February 3, 2023

Printer manufacturer Lexmark recently published details on a vulnerability that affects over 100 of their printer models. Learn how runZero can help you find potentially affected assets.

December 9, 2022

Cisco 7800 and 8800 IP phones can be found in many companies and organizations. Successful exploitation of this vulnerability can provide an unauthenticated attacker in the same network segment or VLAN with remote code execution or denial-of-service capabilities.

December 5, 2022

MegaRAC can be found in many server manufacturers’ Baseboard Management Controllers (BMCs), including AMD, Ampere Computing, ASRock, Asus, ARM, Dell EMC, Gigabyte, HPE, Huawei, Inspur, Lenovo, Nvidia, Qualcomm, Quanta, and Tyan. Successful exploitation of these …

November 1, 2022

The OpenSSL project team recently disclosed two vulnerabilities which affect OpenSSL 3.0.0 through 3.0.6 releases. Find systems running potentially vulnerable instances of OpenSSL in your network.

October 28, 2022

How do you find unmanaged devices on your network when they aren’t accounted for? Learn how you can use runZero to find unmanaged devices on your network.

October 11, 2022

A critical authentication bypass vulnerability was found in the web administration interface of some Fortinet products. Tracked as CVE-2022-40684, successful exploitation of this vulnerability via crafted HTTP and HTTPS requests can provide remote attackers with admin-level …