Denial of service

VMware Workstation 16.x prior to 16.2.2 and Horizon Client for Windows 5.x prior to 5.5.3 contains a denial-of-service vulnerability in the Cortado ThinPrint component. The issue exists in TrueType font parser. A malicious actor with access to a virtual machine or remote desktop may exploit this...

CVE-2022-22938

VMware Workstation 16.x prior to 16.2.2 and Horizon Client for Windows 5.x prior to 5.5.3 contains a denial-of-service vulnerability in the Cortado ThinPrint component. The issue exists in TrueType font parser. A malicious actor with access to a virtual machine or remote desktop may exploit this...

CVE-2022-22938

CVE-2022-22938 affects VMware Workstation 16.x (before 16.2.2) and Horizon Client for Windows 5.x (before 5.5.3). The vulnerability lies in the Cortado ThinPrint component’s TrueType font parser, allowing a local attacker with VM or remote desktop access to trigger a denial‑of‑service in the Thin...

CVE-2022-22938: Undefined Security Weakness

VMware Workstation 16.x prior to 16.2.2 and Horizon Client for Windows 5.x prior to 5.5.3 contains a denial-of-service vulnerability in the Cortado ThinPrint component. The issue exists in TrueType font parser. A malicious actor with access to a virtual machine or remote desktop may exploit this...

Initial Access Broker Involved in Log4Shell Attacks Against VMware Horizon Servers

An initial access broker group tracked as Prophet Spider has been linked to a set of malicious activities that exploits the Log4Shell vulnerability in unpatched VMware Horizon Servers. According to new research published by BlackBerry Research & Intelligence and Incident Response IR teams today,...

VMware Horizon View Client 5.x < 5.5.3 DoS (VMSA-2022-0002)

The version of VMware Horizon Client for Windows installed on the remote host is less than 5.5.3. It is, therefore, affected by a denial of service DoS vulnerability in the Cortado ThinPrint component's TrueType font parser. A local attacker can exploit this in order to cause the ThinPrint servic...

VMware Workstation 16.x < 16.2.2 DoS (VMSA-2022-0002)

The version of VMware Workstation installed on the remote host is 16.x prior to 16.2.2. It is, therefore, affected by a denial of service DoS vulnerability in the Cortado ThinPrint component's TrueType font parser. A local attacker can exploit this in order to cause the ThinPrint service to stop...

Analysis and Impact of LockBit Ransomware’s First Linux and VMware ESXi Variant

LockBit ransomware's operators announced the release of its first Linux and ESXi variant in October. With samples also spotted in the wild, we discuss the impact and analysis of this variant...

The Internet’s Most Tempting Targets

The number of exposed assets keeps climbing, but existing security strategies aren’t keeping up. Attack surfaces are getting more complex, and the excruciatingly hard part is figuring out where to focus. For every 1,000 assets on an attack surface, there is often only one that’s truly interesting...

Metasploit Weekly Wrap-Up

Image Credit: https://upload.wikimedia.org/wikipedia/commons/c/c7/Logs.jpg without change while j==shell; Log4j; The Log4j loop continues as we release a module targeting vulnerable vCenter releases. This is a good time to suggest that you check your vCenter releases and maybe even increase the...

VMware vRealize Operations Manager Log4Shell Direct Check (CVE-2021-44228) (VMSA-2021-0028)

Binary data vmwarevrealizeoperationsmanagerlog4shell.nbin...

VMware vCenter Server Unauthenticated Log4Shell JNDI Injection Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'VMware vCenter Server Unauthenticated JNDI Injection RCE via Log4Shell', 'Description' = %q VMware vCenter Server is affected by the Log4Shell...

VMware vCenter Server Unauthenticated Log4Shell JNDI Injection Remote Code Execution Exploit

VMware vCenter Server is affected by the Log4Shell vulnerability whereby a JNDI string can be sent to the server that will cause it to connect to the attacker and deserialize a malicious Java object. This results in OS command execution in the context of the root user in the case of the Linux...

OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated the severity of this issue to be in the Critical severity range with a maximum CVSSv3 base score of 9.8.

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Active Exploitation of VMware Horizon Servers

This post is co-authored by Charlie Stafford, Lead Security Researcher. We will update this blog with further information as it becomes available. CVE | Vendor Advisory | AttackerKB | IVM Content | Patching Urgency | Blog's Last Update ---|---|---|---|---|--- CVE-2021-44228 | VMware Advisory |...

Cybercriminals Actively Target VMware vSphere with Cryptominers

Organizations running sophisticated virtual networks with VMware’s vSphere service are actively being targeted by cryptojackers, who have figured out how to inject the XMRig commercial cryptominer into the environment, undetected. Uptycs’ Siddharth Sharma has released research showing threat acto...

VMware Server Side Request Forgery in vRealize Operations Manager API

Server Side Request Forgery SSRF in vRealize Operations Manager API prior to 8.4 may allow a malicious actor with network access to the vRealize Operations Manager API to perform a SSRF attack to steal administrative credentials...

Vmware VMware Workstation input validation error vulnerability

Vmware VMware Workstation is a set of virtual machine software from Vmware. The software provides virtual machine functionality that can run multiple different operating systems at the same time. A vulnerability exists in Vmware VMware Workstation due to an input validation error vulnerability in...

KLA12441 DoS vulnerability in VMware Workstation

A denial of service vulnerability was found in VMware Workstation. Malicious users can exploit this vulnerability to cause denial of service. Original advisories VMSA-2022-0002 Exploitation Related products VMware-Workstation VMware-Player CVE list CVE-2022-22938 high Solution Update to the lates...

PT-2022-1543

Name of the Vulnerable Software and Affected Versions VMware Workstation versions 16.x prior to 16.2.2 Horizon Client for Windows versions 5.x prior to 5.5.3 Description The issue exists in the TrueType font parser of the Cortado ThinPrint component. A malicious actor with access to a virtual...