January 2024 – Learn and Explore

January 31, 2024
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RunC Flaws Enable Container Escapes, Granting Attackers Host Access

Multiple security vulnerabilities have been disclosed in the runC command line tool that could be exploited by threat actors to escape the bounds of the container and stage follow-on attacks. The vulnerabilities, tracked as CVE-2024-21626, CVE-2024-23651, CVE-2024-23652, and CVE-2024-23653, have been collectively dubbed Leaky Vessels by cybersecurity vendor Snyk. “These container

January 31, 2024
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Alert: Ivanti Discloses 2 New Zero-Day Flaws, One Under Active Exploitation

Ivanti is alerting of two new high-severity flaws in its Connect Secure and Policy Secure products, one of which is said to have come under targeted exploitation in the wild. The list of vulnerabilities is as follows – CVE-2024-21888 (CVSS score: 8.8) – A privilege escalation vulnerability in the web...

January 31, 2024
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Telegram Marketplaces Fuel Phishing Attacks with Easy-to-Use Kits and Malware

Cybersecurity researchers are calling attention to the “democratization” of the phishing ecosystem owing to the emergence of Telegram as an epicenter for cybercrime, enabling threat actors to mount a mass attack for as little as $230. “This messaging app has transformed into a bustling hub where seasoned cybercriminals and...

January 31, 2024
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Italian Businesses Hit by Weaponized USBs Spreading Cryptojacking Malware

A financially motivated threat actor known as UNC4990 is leveraging weaponized USB devices as an initial infection vector to target organizations in Italy. Google-owned Mandiant said the attacks single out multiple industries, including health, transportation, construction, and logistics. “UNC4990 operations generally involve widespread USB infection followed by the deployment of the

January 31, 2024
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The SEC Won’t Let CISOs Be: Understanding New SaaS Cybersecurity Rules

The SEC isn’t giving SaaS a free pass. Applicable public companies, known as “registrants,” are now subject to cyber incident disclosure and cybersecurity readiness requirements for data stored in SaaS systems, along with the 3rd and 4th party apps connected to them. The new cybersecurity mandates make no distinction between...

January 31, 2024
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Chinese Hackers Exploiting VPN Flaws to Deploy KrustyLoader Malware

A pair of recently disclosed zero-day flaws in Ivanti Connect Secure (ICS) virtual private network (VPN) devices have been exploited to deliver a Rust-based payload called KrustyLoader that’s used to drop the open-source Sliver adversary simulation tool. The security vulnerabilities, tracked as CVE-2023-46805 (CVSS score: 8.2) and CVE-2024-21887 (CVSS score: 9.1), could...

January 31, 2024
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New Glibc Flaw Grants Attackers Root Access on Major Linux Distros

Malicious local attackers can obtain full root access on Linux machines by taking advantage of a newly disclosed security flaw in the GNU C library (aka glibc). Tracked as CVE-2023-6246, the heap-based buffer overflow vulnerability is rooted in glibc’s __vsyslog_internal() function, which is used by syslog() and vsyslog() for system logging...

January 30, 2024
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URGENT: Upgrade GitLab – Critical Workspace Creation Flaw Allows File Overwrite

GitLab once again released fixes to address a critical security flaw in its Community Edition (CE) and Enterprise Edition (EE) that could be exploited to write arbitrary files while creating a workspace. Tracked as CVE-2024-0402, the vulnerability has a CVSS score of 9.9 out of a maximum of 10. “An issue...

January 30, 2024
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Brazilian Feds Dismantle Grandoreiro Banking Trojan, Arresting Top Operatives

A Brazilian law enforcement operation has led to the arrest of several Brazilian operators in charge of the Grandoreiro malware. The Federal Police of Brazil said it served five temporary arrest warrants and 13 search and seizure warrants in the states of São Paulo, Santa Catarina, Pará, Goiás, and Mato Grosso. Slovak cybersecurity...

January 30, 2024
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China-Linked Hackers Target Myanmar’s Top Ministries with Backdoor Blitz

The China-based threat actor known as Mustang Panda is suspected to have targeted Myanmar’s Ministry of Defence and Foreign Affairs as part of twin campaigns designed to deploy backdoors and remote access trojans. The findings come from CSIRT-CTI, which said the activities took place in November 2023 and January 2024 after...