March 12, 2019—KB4489891 (Monthly Rollup)

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rdesktop: Multiple vulnerabilities

Background rdesktop is a Remote Desktop Protocol RDP Client. Description Multiple vulnerabilities have been discovered in rdesktop. Please review the CVE identifiers referenced below for details. Impact A remote attacker could cause a Denial of Service condition, obtain sensitive information, or...

[SECURITY] Fedora 29 Update: freerdp-2.0.0-48.20190228gitce386c8.fc29

The xfreerdp & wlfreerdp Remote Desktop Protocol RDP clients from the Fre eRDP project. xfreerdp & wlfreerdp can connect to RDP servers such as Microsoft Windows machines, xrdp and VirtualBox...

The vulnerability in the implementation of the “cssp_read_tsrequest” function in the RDP client rdesktop software arises from buffer overflow in memory, allowing an attacker to execute arbitrary code.

The vulnerability of the “csspreadtsrequest” function in the RDP client rdesktop implementation is related to buffer overflow in memory. Exploiting this vulnerability allows an attacker to execute arbitrary code remotely...

The vulnerability of the “process_bitmap_updates” function implementation in the RDP client rdesktop software arises from integer overflow, which leads to writing beyond the boundaries of the function. This allows attackers to execute arbitrary code.

The vulnerability of the “processbitmapupdates” function in the RDP client rdesktop implementation is related to integer overflow, which leads to writing beyond the bounds of the function’s capacity. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

[SECURITY] Fedora 29 Update: rdesktop-1.8.4-2.fc29

rdesktop is an open source client for Windows NT Terminal Server and Windows 2000 & 2003 Terminal Services, capable of natively speaking Remote Desktop Protocol RDP in order to present the user's NT desktop. Unlike Citrix ICA, no server extensions are required...

Flaws in Popular RDP Clients Allow Malicious Servers to Reverse Hack PCs

You've always been warned not to share remote access to your computer with any untrusted people for many reasons—it's basic cyber security advice, and common sense, right? But what if I say, you should not even trust anyone who invites or offers you full remote access to their computers? Security...

Flaws in Popular RDP Clients Allow Malicious Servers to Reverse Hack PCs

You've always been warned not to share remote access to your computer with any untrusted people for many reasons—it's basic cyber security advice, and common sense, right? But what if I say, you should not even trust anyone who invites or offers you full remote access to their computers? Security...

Remote Desktop Protocol Clients Rife with Remote Code-Execution Flaws

UPDATE LAS VEGAS — Multiple critical vulnerabilities in the commonly used Remote Desktop Protocol RDP would allow a malicious actor to achieve remote code-execution over a client’s computer. According to Check Point research released Tuesday at the CPX360 event in Las Vegas, both open-source and...

SamSam Ransomware

Summary The Department of Homeland Security DHS National Cybersecurity and Communications Integration Center NCCIC and the Federal Bureau of Investigation FBI are issuing this activity alert to inform computer network defenders about SamSam ransomware, also known as MSIL/Samas.A. Specifically, th...

FreeRDP Out-of-Bounds Write Vulnerability

FreeRDP is a free, open source implementation of the Remote Desktop Protocol RDP developed by the FreeRDP team. An out-of-bounds write vulnerability in the 'nscrledecode' function in versions prior to FreeRDP 2.0.0-rc4 can be exploited by a remote attacker to cause a denial of service memory...

FreeRDP Buffer Overflow Vulnerability

FreeRDP is a free, open source implementation of the Remote Desktop Protocol RDP developed by the FreeRDP team. A heap buffer overflow vulnerability exists in the 'gdiBitmapDecompress' function in versions prior to FreeRDP 2.0.0-rc4, which can be exploited by a remote attacker to cause a denial o...

UBUNTU-CVE-2018-3294

Vulnerability in the Oracle VM VirtualBox component of Oracle Virtualization subcomponent: Core. The supported version that is affected is Prior to 5.2.20. Easily exploitable vulnerability allows low privileged attacker with network access via VRDP to compromise Oracle VM VirtualBox. Successful...

Hacker Puts Airport's Security System Access On Dark Web Sale For Just $10

If you can't find it on Google, you will definitely find it on the Dark Web. Black markets on the Dark web are not known for just buying drugs, it is a massive hidden network where you can buy pretty much anything you can imagine—from pornography, weapon, and counterfeit currencies, to hacking...

Organizations Leave Backdoors Open to Cheap Remote Desktop Protocol Attacks

ARCHIVED STORY Organizations Leave Backdoors Open to Cheap Remote Desktop Protocol Attacks By John Fokker · July 11, 2018 Thanks to my colleague Christiaan Beek for his advice and contributions. While researching underground hacker marketplaces, the McAfee Advanced Threat Research team has...

SamSam Ransomware Evolves Its Tactics Towards Targeting Whole Companies

Ransomware has lately lost its status as the queen of the cybercrime prom, but a new iteration of the nefarious SamSam extortion code shows that it can still make a bid to be sparkly and attention-getting. The latest version of SamSam has taken the malware road less traveled, ditching widespread...

PyRoMine Uses NSA Exploit for Monero Mining and Backdoors

The ShadowBrokers’ release of a trove of National Security Agency exploits last year appears to be the gift that keeps on giving, to the hacker community at least: A fresh malware that uses the EternalRomance tool has hit the scene, with Monero-mining as the stated goal. However, more damaging...

Establishing a Baseline for Remote Desktop Protocol

For IT staff and Windows power users, Microsoft Terminal Services Remote Desktop Protocol RDP is a beneficial tool that allows for the interactive.aspx use or administration of a remote Windows system. However, Mandiant consultants have also observed threat actors using RDP, with compromised doma...

CVE-2017-2835

An exploitable code execution vulnerability exists in the RDP receive functionality of FreeRDP 2.0.0-beta1+android11. A specially crafted server response can cause an out-of-bounds write resulting in an exploitable condition. An attacker can compromise the server or use a man in the middle to...

Lateral Movement – RDP

The Remote Desktop Protocol RDP is widely used across internal networks by Administrators. This allows systems owners and admins to manage Windows environments remotely. However RDP can give various opportunities to an attacker to conduct attacks that can be used for lateral movement in red team...