VMware warned that an attacker with network access could send a specially crafted packet to execute remote code. CVSS severity score 9.8/10.
Sophos Managed Detection and Response initiated a threat hunt across all customers after the detection of abuse of a vulnerable legitimate VMware executable (vmnat.exe) to perform dynamic link library (DLL) side-loading on one customer’s network. In a search for similar incidents in telemetry, MDR ultimately uncovered a complex, persistent cyberespionage campaign targeting a high-profile government organization in Southeast Asia. As described in the first part of this report, we identified at least three distinct clusters of intrusion activity present in the organization’s network from at least March 2023 through December 2023.
The three security threat activity clusters—which we designated as Alpha (STAC1248), Bravo (STAC1870), and Charlie (STAC1305) – are assessed with high confidence to operate on behalf of Chinese state interests. In this continuation of our report, we will provide deeper technical analysis of the three activity clusters, including the tactics, techniques, and procedures (TTPs) used in the campaign, aligned to activity clusters where possible. We also provide additional technical details on prior compromises within the same organization that appear to be connected to the campaign.
VMware vCenter Server updates address out-of-bounds write and information disclosure vulnerabilities
Cisco Talos discovered 12 memory corruption vulnerabilities in MSRPC implementations on Apple macOS and VMWare vCenter.
- Seven vulnerabilities affect Apple macOS only.
- Two vulnerabilities affect VMWare vCenter.
- Three vulnerabilities affect both.
Additional techniques UNC3886 utilized across multiple organizations to evade EDR solutions.
VMware this week released patches for a critical vulnerability disclosed at the Pwn2Own Vancouver 2023 hacking contest.
Admins, hosting providers, and the French Computer Emergency Response Team (CERT-FR) warn that attackers actively target VMware ESXi servers unpatched against a two-year-old remote code execution vulnerability to deploy ransomware.
Déclenchée ce vendredi 3 février, une vaste campagne d’infection avec ransomware frappe les serveurs VMware ESXi à travers le monde. La France ne fait pas exception. L’échelle suggère une opération automatisée.
Le 03 février 2023, le CERT-FR a pris connaissance de campagnes d'attaque ciblant les hyperviseurs VMware ESXi dans le but d'y déployer un rançongiciel.
Dans l'état actuel des investigations, ces campagnes d'attaque semblent exploiter la vulnérabilité CVE-2021-21974, pour laquelle un correctif est disponible depuis le 23 février 2021. Cette vulnérabilité affecte le service Service Location Protocol (SLP) et permet à un attaquant de réaliser une exploitation de code arbitraire à distance.
Les systèmes actuellement visés seraient des hyperviseurs ESXi en version 6.x et antérieures à 6.7.
Juniper Threat Labs analyzes a backdoor installed on a compromised VMware ESXi server that can execute arbitrary commands and launch reverse shells.
n April, VMware patched a vulnerability CVE-2022-22954. It causes server-side template injection because of the lack of sanitization on parameters “deviceUdid” and “devicetype”. It allows attackers to inject a payload and achieve remote code execution on VMware Workspace ONE Access and Identity Manager. FortiGuard Labs published Threat Signal Report about it and also developed IPS signature in April.
The VMware Carbon Black MDR team goes in depth on the latest variants of the Chromeloader malware and how to detect them.
On March 2nd, I reported several security vulnerabilities to VMWare impacting their Identity Access Management (IAM) solution. In this blog post I will discu...
A Chinese advanced persistent threat tracked as Deep Panda has been observed exploiting the Log4Shell vulnerability in VMware Horizon servers to deploy a backdoor and a novel rootkit on infected machines with the goal of stealing sensitive data.
Hackers aligned with the government of Iran are exploiting the critical Log4j vulnerability to infect unpatched VMware users with ransomware, researchers said on Thursday.
