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Threat actors are actively scanning and exploiting a pair of security flaws that are said to affect as many as 92,000 internet-exposed D-Link network-attached storage (NAS) devices. Tracked as  CVE-2024-3272  (CVSS score: 9.8) and  CVE-2024-3273  (CVSS score: 7.3), the vulnerabilities impact  legacy D-Link products  that have reached end-of-life (EoL) status. D-Link, in an  advisory , said it does not plan to ship a patch and instead urges customers to replace them. "The vulnerability lies within the nas_sharing.cgi uri, which is vulnerable due to two main issues: a backdoor facilitated by hard-coded credentials, and a command injection vulnerability via the system parameter," security researcher who goes by the name netsecfish  said  in late March 2024. Successful exploitation of the flaws could lead to arbitrary command execution on the affected D-Link NAS devices, granting threat actors the ability to access sensitive information, alter system configurations, or even

Threat actors have been found exploiting a critical flaw in Magento to inject a persistent backdoor into e-commerce websites. The attack leverages  CVE-2024-20720  (CVSS score: 9.1), which has been described by Adobe as a case of "improper neutralization of special elements" that could pave the way for arbitrary code execution. It was  addressed  by the company as part of security updates released on February 13, 2024. Sansec said it discovered a "cleverly crafted layout template in the database" that's being used to automatically inject malicious code to execute arbitrary commands. "Attackers combine the Magento layout parser with the beberlei/assert package (installed by default) to execute system commands," the company  said . "Because the layout block is tied to the checkout cart, this command is executed whenever <store>/checkout/cart is requested." The command in question is  sed , which is used to insert a code execution

Follow this real-life network attack simulation, covering 6 steps from Initial Access to Data Exfiltration. See how attackers remain undetected with the simplest tools and why you need multiple choke points in your defense strategy. Surprisingly, most network attacks are not exceptionally sophisticated, technologically advanced, or reliant on zero-day tools that exploit edge-case vulnerabilities. Instead, they often use commonly available tools and exploit multiple vulnerability points. By simulating a real-world network attack, security teams can test their detection systems, ensure they have multiple choke points in place, and demonstrate the value of networking security to leadership. In this article, we demonstrate a real-life attack that could easily occur in many systems. The attack simulation was developed based on the MITRE ATT&CK framework, Atomic Red Team,  Cato Networks ' experience in the field, and public threat intel. In the end, we explain why a holistic secur

New research has found that the CONTINUATION frame in the HTTP/2 protocol can be exploited to conduct denial-of-service (DoS) attacks. The technique has been codenamed  HTTP/2 CONTINUATION Flood  by security researcher Bartek Nowotarski, who reported the issue to the CERT Coordination Center (CERT/CC) on January 25, 2024. "Many HTTP/2 implementations do not properly limit or sanitize the amount of CONTINUATION frames sent within a single stream," CERT/CC  said  in an advisory on April 3, 2024. "An attacker that can send packets to a target server can send a stream of CONTINUATION frames that will not be appended to the header list in memory but will still be processed and decoded by the server or will be appended to the header list, causing an out of memory (OOM) crash." Like in HTTP/1, HTTP/2 uses header fields within requests and responses. These  header fields  can comprise header lists, which in turn, are serialized and broken into  header blocks . The head

Ivanti has released security updates to address four security flaws impacting Connect Secure and Policy Secure Gateways that could result in code execution and denial-of-service (DoS). The list of flaws is as follows - CVE-2024-21894  (CVSS score: 8.2) - A heap overflow vulnerability in the IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in order to crash the service thereby causing a DoS attack. In certain conditions, this may lead to execution of arbitrary code. CVE-2024-22052  (CVSS score: 7.5) - A null pointer dereference vulnerability in IPSec component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure allows an unauthenticated malicious user to send specially crafted requests in order to crash the service thereby causing a DoS attack. CVE-2024-22053  (CVSS score: 8.2) - A heap overflow vulnerability in the IPSec component of Ivanti Connect Secure (9.x, 2

The U.S. Cyber Safety Review Board ( CSRB ) has criticized Microsoft for a series of security lapses that led to the breach of nearly two dozen companies across Europe and the U.S. by a China-based nation-state group called Storm-0558 last year. The findings, released by the Department of Homeland Security (DHS) on Tuesday, found that the intrusion was preventable, and that it became successful due to a "cascade of Microsoft's avoidable errors." "It identified a series of Microsoft operational and strategic decisions that collectively pointed to a corporate culture that deprioritized enterprise security investments and rigorous risk management, at odds with the company's centrality in the technology ecosystem and the level of trust customers place in the company to protect their data and operations," the DHS  said  in a statement. The CSRB also lambasted the tech titan for failing to detect the compromise on its own, instead relying on a customer to reac

A critical security flaw impacting the LayerSlider plugin for WordPress could be abused to extract sensitive information from databases, such as password hashes. The flaw, designated as  CVE-2024-2879 , carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as a case of SQL injection impacting versions from 7.9.11 through 7.10.0. The issue has been addressed in version 7.10.1 released on March 27, 2024, following responsible disclosure on March 25. "This update includes important security fixes," the maintainers of LayerSlider  said  in their release notes. LayerSlider is a visual web content editor, a graphic design software, and a digital visual effects that allows users to create animations and rich content for their websites. According to its own site, the plugin is  used  by "millions of users worldwide." The flaw discovered in the tool stems from a case of insufficient escaping of user supplied parameters and the absence of  wpdb::pr

The malicious code inserted into the open-source library XZ Utils, a widely used package present in major Linux distributions, is also capable of facilitating remote code execution, a new analysis has revealed. The audacious supply chain compromise, tracked as  CVE-2024-3094  (CVSS score: 10.0), came to light last week when Microsoft engineer and PostgreSQL developer Andres Freund alerted to the  presence  of a  backdoor  in the data compression utility that gives remote attackers a way to sidestep secure shell authentication and gain complete access to an affected system. "I was doing some micro-benchmarking at the time, needed to quiesce the system to reduce noise," Freund said in a post shared on Mastodon. "Saw sshd processes were using a surprising amount of CPU, despite immediately failing because of wrong usernames etc." "Profiled sshd, showing lots of cpu time in liblzma, with perf unable to attribute it to a symbol. Got suspicious. Recalled that I

Red Hat on Friday released an "urgent security alert" warning that two versions of a popular data compression library called  XZ Utils  (previously LZMA Utils) have been backdoored with malicious code designed to allow unauthorized remote access. The software supply chain compromise, tracked as  CVE-2024-3094 , has a CVSS score of 10.0, indicating maximum severity. It impacts XZ Utils versions 5.6.0 (released February 24) and 5.6.1 (released March 9). "Through a series of complex obfuscations, the liblzma build process extracts a prebuilt object file from a disguised test file existing in the source code, which is then used to modify specific functions in the liblzma code," the IBM subsidiary  said  in an advisory. "This results in a modified liblzma library that can be used by any software linked against this library, intercepting and modifying the data interaction with this library." Specifically, the nefarious code baked into the code is  designed

Network penetration testing plays a vital role in detecting vulnerabilities that can be exploited. The current method of performing pen testing is pricey, leading many companies to undertake it only when necessary, usually once a year for their compliance requirements. This manual approach often misses opportunities to find and fix security issues early on, leaving businesses vulnerable to expensive cyberattacks and potential breaches. However, new technologies using automation and AI have revolutionized the process, making regular network pentesting easy and affordable. We're now in the golden era of pentesting, where every company can assess the security of their networks without breaking the bank.  Automating pen testing is a game-changer   Automation in cybersecurity is becoming a big deal and it's only going to get bigger. Nowadays, we need automation to help deal with the fact that there just aren't enough cybersecurity pros to go around. Businesses can't keep

Details have emerged about a vulnerability impacting the "wall" command of the util-linux package that could be potentially exploited by a bad actor to leak a user's password or alter the clipboard on certain Linux distributions. The bug, tracked as CVE-2024-28085, has been codenamed  WallEscape  by security researcher Skyler Ferrante. It has been described as a case of improper neutralization of escape sequences. "The util-linux wall command does not filter  escape sequences  from command line arguments," Ferrante  said . "This allows unprivileged users to put arbitrary text on other users' terminals, if mesg is set to "y" and wall is setgid." The  vulnerability  was introduced as part of a  commit  made in August 2013.  The "wall" command is used to write a message to the terminals of all users that are currently logged in to a server, essentially allowing users with elevated permissions to  broadcast key information  to

A Linux version of a multi-platform backdoor called  DinodasRAT  has been detected in the wild targeting China, Taiwan, Turkey, and Uzbekistan,  new findings  from Kaspersky reveal. DinodasRAT, also known as XDealer, is a C++-based malware that offers the ability to harvest a wide range of sensitive data from compromised hosts. In October 2023, Slovak cybersecurity firm ESET  revealed  that a governmental entity in Guyana had been targeted as part of a cyber espionage campaign dubbed Operation Jacana to deploy the Windows version of the implant. Then last week, Trend Micro  detailed  a threat activity cluster it tracks as Earth Krahang and which has shifted to using DinodasRAT since 2023 in its attacks aimed at several government entities worldwide. The use of DinodasRAT has been attributed to various China-nexus threat actors, including  LuoYu , once again reflecting the tool sharing prevalent among hacking crews identified as acting on behalf of the country. Kaspersky said it

Cybersecurity researchers from ETH Zurich have developed a new variant of the RowHammer DRAM (dynamic random-access memory) attack that, for the first time, successfully works against AMD Zen 2 and Zen 3 systems despite mitigations such as Target Row Refresh (TRR). "This result proves that AMD systems are equally vulnerable to Rowhammer as Intel systems, which greatly increases the attack surface, considering today's AMD market share of around 36% on x86 desktop CPUs," the researchers  said . The technique has been codenamed  ZenHammer , which can also trigger RowHammer bit flips on DDR5 devices for the first time. RowHammer , first publicly disclosed in 2014, is a  well-known attack  that exploits DRAM's memory cell architecture to alter data by repeatedly accessing a specific row (aka hammering) to cause the electrical charge of a cell to leak to adjacent cells. This can induce random bit flips in neighboring memory rows (from 0 to 1, or vice versa), which can

A now-patched security flaw in the Microsoft Edge web browser could have been abused to install arbitrary extensions on users' systems and carry out malicious actions.  "This flaw could have allowed an attacker to exploit a private API, initially intended for marketing purposes, to covertly install additional browser extensions with broad permissions without the user's knowledge," Guardio Labs security researcher Oleg Zaytsev  said  in a new report shared with The Hacker News. Tracked as  CVE-2024-21388  (CVSS score: 6.5), it was addressed by Microsoft in Edge stable version 121.0.2277.83 released on January 25, 2024, following responsible disclosure in November 2023. The Windows maker credited both Zaytsev and Jun Kokatsu for reporting the issue. "An attacker who successfully exploited this vulnerability could gain the privileges needed to install an extension," Microsoft said in an advisory for the flaw, adding it "could lead to a browser sandbo

As SaaS applications dominate the business landscape, organizations need optimized network speed and robust security measures. Many of them have been turning to SASE, a product category that offers cloud-based network protection while enhancing network infrastructure performance. However, a new report: "Better Together: SASE and Enterprise Browser Extension for the SaaS-First Enterprise" ( Download here ), challenges SASE's ability to deliver comprehensive security against web-borne cyber threats on its own. From phishing attacks to malicious extensions and account takeovers, traditional network traffic analysis and security falls short. The report sheds light on these limitations and introduces the role of secure browser extensions as an essential component in a comprehensive security strategy. SASE Advantages and Limitations SASE takes on a dual role in addressing both infrastructure and security. However, while SASE offers clear advantages in security, it may not e

Cybersecurity researchers are warning that threat actors are actively exploiting a "disputed" and unpatched vulnerability in an open-source artificial intelligence (AI) platform called Anyscale Ray to hijack computing power for illicit cryptocurrency mining. "This vulnerability allows attackers to take over the companies' computing power and leak sensitive data," Oligo Security researchers Avi Lumelsky, Guy Kaplan, and Gal Elbaz  said  in a Tuesday disclosure. "This flaw has been under active exploitation for the last seven months, affecting sectors like education, cryptocurrency, biopharma, and more." The campaign, ongoing since September 2023, has been codenamed  ShadowRay  by the Israeli application security firm. It also marks the first time AI workloads have been targeted in the wild through shortcomings underpinning the AI infrastructure. Ray is an  open-source, fully-managed compute framework  that allows organizations to build, train, and

A new phishing campaign has been observed leveraging a novel loader malware to deliver an information stealer and keylogger called  Agent Tesla . Trustwave SpiderLabs said it identified a phishing email bearing this attack chain on March 8, 2024. The message masquerades as a bank payment notification, urging the user to open an archive file attachment. The archive ("Bank Handlowy w Warszawie - dowód wpłaty_pdf.tar.gz") conceals a malicious loader that activates the procedure to deploy Agent Tesla on the compromised host. "This loader then used obfuscation to evade detection and leveraged polymorphic behavior with complex decryption methods," security researcher Bernard Bautista  said  in a Tuesday analysis. "The loader also exhibited the capability to bypass antivirus defenses and retrieved its payload using specific URLs and user agents leveraging proxies to further obfuscate traffic." The tactic of embedding malware within seemingly benign files is