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Serious Remote Code Execution Flaw Affects ProFTPD Powered FTP Servers

Serious Remote Code Execution Flaw Affects ProFTPD Powered FTP Servers

July 23, 2019Swati Khandelwal
A German security researcher has publicly disclosed details of a serious vulnerability in one of the most popular FTP server applications, which is currently being used by more than one million servers worldwide. The vulnerable software in question is ProFTPD , an open source FTP server that is being used by a large number of popular businesses and websites including SourceForge, Samba and Slackware, and comes pre-installed with many Linux and Unix distributions, like Debian. Discovered by Tobias Mädel , the vulnerability resides in the mod_copy module of the ProFTPD application, a component that allows users to copy files/directories from one place to another on a server without having to transfer the data to the client and back. According to Mädel, an incorrect access control issue in the mod_copy module could be exploited by an authenticated user to unauthorizedly copy any file on a specific location of the vulnerable FTP server where the user is otherwise not allowed to wr
iOS URL Scheme Could Let App-in-the-Middle Attackers Hijack Your Accounts

iOS URL Scheme Could Let App-in-the-Middle Attackers Hijack Your Accounts

July 15, 2019Swati Khandelwal
Security researchers have illustrated a new app-in-the-middle attack that could allow a malicious app installed on your iOS device to steal sensitive information from other apps by exploiting certain implementations of Custom URL Scheme . By default on Apple's iOS operating system, every app runs inside a sandbox of its own, which prevent all apps installed on the same device from accessing each other's data. However, Apple offers some methods that facilitate sending and receiving very limited data between applications. One such mechanism is called URL Scheme, also known as Deep Linking, that allows developers to let users launch their apps through URLs, like facetime:// , whatsapp:// , fb-messenger:// . For example, when you click "Sign in with Facebook" within an e-commerce app, it directly launches the Facebook app installed on your device and automatically process the authentication. In the background, that e-commerce app actually triggers the URL Sch
This Flaw Could Have Allowed Hackers to Hack Any Instagram Account Within 10 Minutes

This Flaw Could Have Allowed Hackers to Hack Any Instagram Account Within 10 Minutes

July 15, 2019Mohit Kumar
Watch out! Facebook-owned photo-sharing service has recently patched a critical vulnerability that could have allowed hackers to compromise any Instagram account without requiring any interaction from the targeted users. Instagram is growing quickly—and with the most popular social media network in the world after Facebook, the photo-sharing network absolutely dominates when it comes to user engagement and interactions. Despite having advanced security mechanisms in place, bigger platforms like Facebook, Google, LinkedIn, and Instagram are not completely immune to hackers and contain severe vulnerabilities. Some vulnerabilities have recently been patched , some are still under the process of being fixed, and many others most likely do exist, but haven't been found just yet. Details of one such critical vulnerability in Instagram surfaced today on the Internet that could have allowed a remote attacker to reset the password for any Instagram account and take complete contr
Zoom Video Conferencing for macOS Also Vulnerable to Critical RCE Flaw

Zoom Video Conferencing for macOS Also Vulnerable to Critical RCE Flaw

July 13, 2019Mohit Kumar
The chaos and panic that the disclosure of privacy vulnerability in the highly popular and widely-used Zoom video conferencing software created earlier this week is not over yet. As suspected, it turns out that the core issue—a locally installed web server by the software—was not just allowing any website to turn on your device webcam, but also could allow hackers to take complete control over your Apple's Mac computer remotely. Reportedly, the cloud-based Zoom meeting platform for macOS has also been found vulnerable to another severe flaw (CVE-2019-13567) that could allow remote attackers to execute arbitrary code on a targeted system just by convincing users into visiting an innocent looking web-page. As explained in our previous report by Swati Khandelwal, the Zoom conferencing app contained a critical vulnerability ( CVE-2019-13450 ) that resides in the way its click-to-join feature is implemented, which automatically turns on users' webcam when they visit an in
New Malware Replaced Legit Android Apps With Fake Ones On 25 Million Devices

New Malware Replaced Legit Android Apps With Fake Ones On 25 Million Devices

July 11, 2019Swati Khandelwal
Are you sure the WhatsApp app you are using on your Android device is legitimate, even if it's working perfectly as intended? ...Or the JioTV, AppLock, HotStar, Flipkart, Opera Mini or Truecaller app—if you have installed any of these? I'm asking this because cybersecurity researchers just yesterday revealed eye-opening details about a widespread Android malware campaign wherein attackers silently replaced installed legitimate apps with their malicious versions on nearly 25 million mobile phones. Now the important question here is how they're doing it and why? According to researchers at Check Point, attackers are distributing a new kind of Android malware that disguises itself as innocent-looking photo editing, adult entertainment, or gaming apps and available through widely used third-party app stores. Dubbed Agent Smith , the malware takes advantage of multiple Android vulnerabilities, such as the  Janus flaw and the Man-in-the-Disk flaw , and injects malic
Microsoft Releases July 2019 Security Updates, 2 Flaws Under Active Attack

Microsoft Releases July 2019 Security Updates, 2 Flaws Under Active Attack

July 09, 2019Swati Khandelwal
Microsoft today released its monthly batch of software security updates for the July month to patch a total of 77 vulnerabilities, 14 are rated Critical, 62 are Important, and 1 is rated Moderate in severity. The July 2019 security updates include patches for various supported versions of Windows operating systems and other Microsoft products, including Internet Explorer, Edge, Office, Azure DevOps, Open Source Software, .NET Framework, Azure, SQL Server, ASP.NET, Visual Studio, and Exchange Server. Details of 6 security vulnerabilities, all rated important, were made public before a patch was released, none of which were found being exploited in the wild. However, two new privilege escalation vulnerabilities, one affects all supported versions of the Windows operating system, and the other affects Windows 7 and Server 2008, have been reported as being actively exploited in the wild. Both actively exploited vulnerabilities lead to elevation of privilege, one (CVE-2019-1132)
Unpatched Prototype Pollution Flaw Affects All Versions of Popular Lodash Library

Unpatched Prototype Pollution Flaw Affects All Versions of Popular Lodash Library

July 09, 2019Mohit Kumar
Lodash, a popular npm library used by more than 4 million projects on GitHub alone, is affected by a high severity security vulnerability that could allow attackers to compromise the security of affected services using the library and their respective user base. Lodash is a JavaScript library that contains tools to simplify programming with strings, numbers, arrays, functions, and objects, helping programmers write and maintain their JavaScript code more efficiently. Liran Tal, a developer advocate at open-source security platform Snyk, recently published details and proof-of-concept exploit of a high-severity prototype pollution security vulnerability that affects all versions of lodash, including the latest version 4.17.11. The vulnerability, assigned as CVE-2019-10744 , potentially affects a large number of frontend projects due to the popularity of lodash that is being downloaded at a rate of more than 80 million times per month. Prototype pollution is a vulnerability t
Flaw in Zoom Video Conferencing Software Lets Websites Hijack Mac Webcams

Flaw in Zoom Video Conferencing Software Lets Websites Hijack Mac Webcams

July 09, 2019Swati Khandelwal
If you use Zoom video conferencing software on your Mac computer—then beware—any website you're visiting in your web browser can turn on your device camera without your permission. Ironically, even if you had ever installed the Zoom client on your device and simply uninstalled it, a remote attacker can still activate your webcam. Zoom is one of the most popular cloud-based meeting platforms that provide video, audio, and screen sharing options to users, allowing them to host webinars, teach online courses, conduct online training, or join virtual meetings online. In a Medium post published today, cybersecurity researcher Jonathan Leitschuh disclosed details of an unpatched critical security vulnerability (CVE-2019-13450) in the Zoom client app for Apple Mac computers, which if combined with a separate flaw, could allow attackers to execute arbitrary code on the targeted systems remotely. Jonathan responsibly reported the security vulnerability to the affected company ov
Android July 2019 Security Update Patches 33 New Vulnerabilities

Android July 2019 Security Update Patches 33 New Vulnerabilities

July 02, 2019Swati Khandelwal
Google has started rolling out this month's security updates for its mobile operating system platform to address a total of 33 new security vulnerabilities affecting Android devices, 9 of which have been rated critical in severity. The vulnerabilities affect various Android components, including the Android operating system, framework, library, media framework, as well as Qualcomm components, including closed-source components. Three of the critical vulnerabilities patched this month reside in Android's Media framework, the most severe of which could allow a remote attacker to execute arbitrary code on a targeted device, within the context of a privileged process, by convincing users into opening a specially crafted malicious file. "The severity assessment is based on the effect that exploiting the vulnerability would possibly have on an affected device, assuming the platform and service mitigations are turned off for development purposes or if successfully bypas
Account Takeover Vulnerability Found in Popular EA Games Origin Platform

Account Takeover Vulnerability Found in Popular EA Games Origin Platform

June 26, 2019Mohit Kumar
A popular gaming platform used by hundreds of millions of people worldwide has been found vulnerable to multiple security flaws that could have allowed remote hackers to takeover players' accounts and steal sensitive data. The vulnerabilities in question reside in the "Origin" digital distribution platform developed by Electronic Arts (EA)—the world's second-largest gaming company with over 300 million users—that allows users to purchase and play some of the most popular video games including Battlefield, Apex Legends, Madden NFL, and FIFA. The Origin platform also manages users EA Games account authentication and allows them to find friends, join games, and manage their profiles. Discovered by researchers at Check Point and CyberInt, the vulnerabilities when chained together could have allowed attackers to hijack gamer's EA account just by convincing them into opening an official webpage from the EA Games website. To perform this attack, as shown in th
Beware! Playing Untrusted Videos On VLC Player Could Hack Your Computer

Beware! Playing Untrusted Videos On VLC Player Could Hack Your Computer

June 21, 2019Swati Khandelwal
If you use VLC media player on your computer and haven't updated it recently, don't you even dare to play any untrusted, randomly downloaded video file on it. Doing so could allow hackers to remotely take full control over your computer system. That's because VLC media player software versions prior to 3.0.7 contain two high-risk security vulnerabilities , besides many other medium- and low-severity security flaws, that could potentially lead to arbitrary code execution attacks. With more than 3 billion downloads, VLC is a hugely popular open-source media player software that is currently being used by hundreds of millions of users worldwide on all major platforms, including Windows, macOS, Linux, as well as Android and iOS mobile platforms. Discovered by Symeon Paraschoudis from Pen Test Partners and identified as CVE-2019-12874 , the first high-severity vulnerability is a double-free issue which resides in "zlib_decompress_extra" function of VideoLAN
Security Flaw in Pre-Installed Dell Support Software Affects Million of Computers

Security Flaw in Pre-Installed Dell Support Software Affects Million of Computers

June 21, 2019Swati Khandelwal
Dell's SupportAssist utility that comes pre-installed on millions of Dell laptops and PCs contains a security vulnerability that could allow malicious software or rogue logged-in users to escalate their privileges to administrator-level and access sensitive information. Discovered by security researchers at SafeBreach Labs , the vulnerability, identified as CVE-2019-12280, is a privilege-escalation issue and affects Dell's SupportAssist application for business PCs (version 2.0) and home PCs (version 3.2.1 and all prior versions). Dell SupportAssist, formerly known as Dell System Detect, checks the health of your system's hardware and software, alerting customers to take appropriate action to resolve them. To do so, it runs on your computer with SYSTEM-level permissions. With this high-level privileges, the utility interacts with the Dell Support website and automatically detects Service Tag or Express Service Code of your Dell product, scans the existing device d
New Critical Oracle WebLogic Flaw Under Active Attack — Patch Now

New Critical Oracle WebLogic Flaw Under Active Attack — Patch Now

June 19, 2019Mohit Kumar
Oracle has released an out-of-band emergency software update to patch a newly discovered critical vulnerability in the WebLogic Server. According to Oracle, the vulnerability—which can be identified as CVE-2019-2729 and has a CVSS score of 9.8 out of 10—is already being exploited in the wild by an unnamed group of attackers. Oracle WebLogic is a Java-based multi-tier enterprise application server that allows businesses to quickly deploy new products and services on the cloud, which is popular across both, cloud environment and conventional environments. The reported vulnerability is a deserialization issue via XMLDecoder in Oracle WebLogic Server Web Services that could allow unauthorized remote attackers to execute arbitrary code on the targeted servers and take control over them. "This remote code execution vulnerability is remotely exploitable without authentication, i.e., may be exploited over a network without the need for a username and password," the advisor
Firefox Releases Critical Patch Update to Stop Ongoing Zero-Day Attacks

Firefox Releases Critical Patch Update to Stop Ongoing Zero-Day Attacks

June 19, 2019Mohit Kumar
Important Update [21 June 2019] — Mozilla on Thursday released another update Firefox version 67.0.4 to patch a second zero-day vulnerability. If you use the Firefox web browser, you need to update it right now. Mozilla earlier today released Firefox 67.0.3 and Firefox ESR 60.7.1 versions to patch a critical zero-day vulnerability in the browsing software that hackers have been found exploiting in the wild. Discovered and reported by Samuel Groß, a cybersecurity researcher at Google Project Zero, the vulnerability could allow attackers to remotely execute arbitrary code on machines running vulnerable Firefox versions and take full control of them. The vulnerability, identified as CVE-2019-11707 , affects anyone who uses Firefox on desktop (Windows, macOS, and Linux) — whereas, Firefox for Android, iOS, and Amazon Fire TV are not affected. According to an advisory , the flaw has been labeled as a type confusion vulnerability in Firefox that can result in an exploitable cras
RAMBleed Attack – Flip Bits to Steal Sensitive Data from Computer Memory

RAMBleed Attack – Flip Bits to Steal Sensitive Data from Computer Memory

June 12, 2019Swati Khandelwal
A team of cybersecurity researchers yesterday revealed details of a new side-channel attack on dynamic random-access memory (DRAM) that could allow malicious programs installed on a modern system to read sensitive memory data from other processes running on the same hardware. Dubbed RAMBleed and identified as CVE-2019-0174 , the new attack is based on a well-known class of DRAM side channel attack called Rowhammer , various variants [ GLitch , RAMpage , Throwhammer ,  Nethammer , Drammer ] of which have been demonstrated by researchers in recent years. Known since 2012, Rowhammer bug is a hardware reliability issue that was found in the new generation of DRAM chips. It turned out that repeatedly and rapidly accessing (hammering) a row of memory can cause bit flips in adjacent rows, i.e., changing their bit values from 0 to 1 or vice-versa. In the following years, researchers also demonstrated successful exploits to achieve privilege escalation on the vulnerable computers by
Adobe Issues Critical Patches for ColdFusion, Flash Player, Campaign

Adobe Issues Critical Patches for ColdFusion, Flash Player, Campaign

June 11, 2019Swati Khandelwal
It's Patch Tuesday week! Adobe has just released the latest June 2019 software updates to address a total 11 security vulnerabilities in its three widely-used products Adobe ColdFusion, Flash Player, and Adobe Campaign. Out of these, three vulnerabilities affect Adobe ColdFusion, a commercial rapid web application development platform—all critical in severity—that could lead to arbitrary code execution attacks. Here below you can find brief information about all newly patched ColdFusion flaws : CVE-2019-7838 — This vulnerability has been categorized as "File extension blacklist bypass" and can be exploited if the file uploads directory is web accessible. CVE-2019-7839 — There's a command injection vulnerability in ColdFusion 2016 and 2018 editions, but it does not impact ColdFusion version 11. CVE-2019-7840 — This flaw originates from the deserialization of untrusted data and also leads to arbitrary code execution on the system. Besides ColdFusion
Your Linux Can Get Hacked Just by Opening a File in Vim or Neovim Editor

Your Linux Can Get Hacked Just by Opening a File in Vim or Neovim Editor

June 10, 2019Mohit Kumar
Linux users, beware! If you haven't recently updated your Linux operating system, especially the command-line text editor utility, do not even try to view the content of a file using Vim or Neovim. Security researcher Armin Razmjou recently discovered a high-severity arbitrary OS command execution vulnerability (CVE-2019-12735) in Vim and Neovim —two most popular and powerful command-line text editing applications that come pre-installed with most Linux-based operating systems. On Linux systems, Vim editor allows users to create, view or edit any file, including text, programming scripts, and documents. Since Neovim is just an extended forked version of Vim, with better user experience, plugins and GUIs, the code execution vulnerability also resides in it. Code Execution Flaw in Vim and Neovim Razmjou discovered a flaw in the way Vim editor handles "modelines," a feature that's enabled-by-default to automatically find and apply a set of custom pref
Nearly 1 Million Computers Still Vulnerable to "Wormable" BlueKeep RDP Flaw

Nearly 1 Million Computers Still Vulnerable to "Wormable" BlueKeep RDP Flaw

May 28, 2019Swati Khandelwal
Nearly 1 million Windows systems are still unpatched and have been found vulnerable to a recently disclosed critical, wormable, remote code execution vulnerability in the Windows Remote Desktop Protocol (RDP)—two weeks after Microsoft releases the security patch. If exploited, the vulnerability could allow an attacker to easily cause havoc around the world, potentially much worse than what WannaCry and NotPetya like wormable attacks did in 2017. Dubbed BlueKeep and tracked as CVE-2019-0708, the vulnerability affects Windows 2003, XP, Windows 7, Windows Server 2008 and 2008 R2 editions and could spread automatically on unprotected systems. The vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code and take control of a targeted computer just by sending specially crafted requests to the device's Remote Desktop Service (RDS) via the RDP—without requiring any interaction from a user. Describing the BlueKeep vulnerability as being Wormable
PoC Exploit For Unpatched Windows 10 Zero-Day Flaw Published Online

PoC Exploit For Unpatched Windows 10 Zero-Day Flaw Published Online

May 22, 2019Mohit Kumar
An anonymous hacker with an online alias "SandboxEscaper" today released proof-of-concept (PoC) exploit code for a new zero-day vulnerability affecting Windows 10 operating system—that's his/her 5th publicly disclosed Windows zero-day exploit [ 1 , 2 , 3 ] in less than a year. Published on GitHub , the new Windows 10 zero-day vulnerability is a privilege escalation issue that could allow a local attacker or malware to gain and run code with administrative system privileges on the targeted machines, eventually allowing the attacker to gain full control of the machine. The vulnerability resides in Task Scheduler, a utility that enables Windows users to schedule the launch of programs or scripts at a predefined time or after specified time intervals. SandboxEscaper's exploit code makes use of SchRpcRegisterTask, a method in Task Scheduler to register tasks with the server, which doesn't properly check for permissions and can, therefore, be used to set an arb
New Class of CPU Flaws Affect Almost Every Intel Processor Since 2011

New Class of CPU Flaws Affect Almost Every Intel Processor Since 2011

May 14, 2019Swati Khandelwal
Academic researchers today disclosed details of the newest class of speculative execution side-channel vulnerabilities in Intel processors that impacts all modern chips, including the chips used in Apple devices. After the discovery of Spectre and Meltdown processor vulnerabilities earlier last year that put practically every computer in the world at risk, different classes of Spectre and Meltdown variations surfaced again and again. Now, a team of security researchers from multiple universities and security firms has discovered different but more dangerous speculative execution side-channel vulnerabilities in Intel CPUs. The newly discovered flaws could allow attackers to directly steal user-level, as well as system-level secrets from CPU buffers, including user keys, passwords, and disk encryption keys. Speculative execution is a core component of modern processors design that speculatively executes instructions based on assumptions that are considered likely to be true.
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