- Critical takeover vulnerabilities in 92,000 D-Link devices under active exploitation
April 8, 2024
Hackers are actively exploiting a pair of recently discovered vulnerabilities to remotely commandeer network-attached storage devices manufactured by D-Link, researchers said Monday. Roughly 92,000 devices are vulnerable to the remote takeover exploits, which can be remotely transmitted by sending malicious commands through simple HTTP traffic. The vulnerability came to light two weeks ago. The researcher said ...
- CVE-2024-0394: Rapid7 Minerva Armor Privilege Escalation (FIXED)
April 3, 2024
Rapid7 is disclosing CVE-2024-0394, a privilege escalation vulnerability in Rapid7 Minerva’s Armor product family. Minerva uses the open-source OpenSSL library for cryptographic functions and to support secure communications. The root cause of this vulnerability is Minerva’s implementation of OpenSSL’s OPENSSLDIR parameter, which was set to a path accessible to low-privileged users (such as C:\git\vcpkg\packages\openssl_x86-windows-static-vs2019-static\openssl.cnf). Rapid7 has ...
- What we know about the xz Utils backdoor that almost infected the world
April 1, 2024
On Friday, a lone Microsoft developer rocked the world when he revealed a backdoor had been intentionally planted in xz Utils, an open source data compression utility available on almost all installations of Linux and other Unix-like operating systems. The person or people behind this project likely spent years on it. They were likely very close ...
- Backdoor found in widely used Linux utility targets encrypted SSH connections
March 29, 2024
Researchers have found a malicious backdoor in a compression tool that made its way into widely used Linux distributions, including those from Red Hat and Debian. The compression utility, known as xz Utils, introduced the malicious code in versions 5.6.0 and 5.6.1, according to Andres Freund, the developer who discovered it. There are no known reports ...
- New Golang Trojan Installs Certificate for Comms Evasion
March 25, 2024
This week, the Sonicwall Capture Labs threat research team analyzed a new Golang malware sample. It uses multiple geographic checks and publicly available packages to screenshot the system before installing a root certificate to the Windows registry for HTTPS communications to the C2. There is currently no malware family affiliated, but the IP and URL addresses ...
- Germany: Use of non-secure line behind Taurus talk leak to Russia
March 5, 2024
The Ministry of Defence blamed an unnamed individual’s improper use of a “non-secure data line” for the recent leak of a German army conversation about the Taurus weapon system to Russia. The mistake was made by the participant who took part in the conversation from Singapore and had dialled in via a “non-secure data line” such ...
- Network tunneling with… QEMU?
March 5, 2024
While investigating an incident at a large company a few months ago, kaspersky researchers detected uncommon malicious activity inside one of the systems. They ran an analysis on the artifacts, only to find that the adversary had deployed and launched the following: The Angry IP Scanner network scanning utility The mimikatz password, hash, and Kerberos ticket extractor, and ...
- Investigating Ivanti Connect Secure VPN Exploitation and Persistence Attempts
February 27, 2024
Mandiant and Ivanti’s investigations into widespread Ivanti zero-day exploitation have continued across a variety of industry verticals, including the U.S. defense industrial base sector. Following the initial publication on Jan. 10, 2024, Mandiant observed mass attempts to exploit these vulnerabilities by a small number of China-nexus threat actors, and development of a mitigation bypass exploit targeting ...
- re: Zyxel VPN Series Pre-auth Remote Command Execution
February 21, 2024
On January 25, 2024, SSD Secure Disclosure posted a disclosure titled Zyxel VPN Series Pre-auth Remote Command Execution. The writeup describes an unauthenticated remote command injection vulnerability affecting Zyxel VPN firewalls. That caught VulnCheck researchers attention. The Zyxel VPN series has appeared on the CISA KEV four times now, and the original disclosure didn’t mention a ...
- ConnectWise Releases Critical Security Update for ScreenConnect
February 20, 2024
ConnectWise has released a security update addressing two vulnerabilities in on-premise ScreenConnect deployments. The update addresses a critical authentication bypass vulnerability with a CVSSv3 score of 10 and a path traversal vulnerability with a CVSSv3 score of 8.4. A remote unauthenticated attacker could exploit these vulnerabilities to read arbitrary files, gain root access on the underlying ...