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Cisco Issues Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild

Cisco Issues Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild

Sep 01, 2020
Cisco has warned of an active zero-day vulnerability in its router software that's being exploited in the wild and could allow a remote, authenticated attacker to carry out memory exhaustion attacks on an affected device. "An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device," Cisco said in an advisory posted over the weekend. "A successful exploit could allow the attacker to cause memory exhaustion, resulting in instability of other processes. These processes may include, but are not limited to, interior and exterior routing protocols." Although the company said it will release software fixes to address the flaw, it did not share a timeline for when it plans to make it available. The networking equipment maker said it became aware of attempts to exploit the flaw on August 28. Tracked as CVE-2020-3566 , the severity of the vulnerability has been rated "high" with a Common Vulnerability Scoring
Experts Reported Security Bug in IBM's Db2 Data Management Software

Experts Reported Security Bug in IBM's Db2 Data Management Software

Aug 20, 2020
Cybersecurity researchers today disclosed details of a memory vulnerability in IBM's Db2 family of data management products that could potentially allow a local attacker to access sensitive data and even cause a denial of service attacks. The flaw ( CVE-2020-4414 ), which impacts IBM Db2 V9.7, V10.1, V10.5, V11.1, and V11.5 editions on all platforms , is caused by improper usage shared memory, thereby granting a bad actor to perform unauthorized actions on the system. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service, according to Trustwave SpiderLabs security and research team, which discovered the issue. "Developers forgot to put explicit memory protections around the shared memory used by the Db2 trace facility," SpiderLabs's Martin Rakhmanov said. "This allows any local users read and write access to that memory area. In turn, this allows accessing critic
Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu
Researcher Demonstrates Several Zoom Vulnerabilities at DEF CON 28

Researcher Demonstrates Several Zoom Vulnerabilities at DEF CON 28

Aug 10, 2020
Popular video conferencing app Zoom has addressed several security vulnerabilities, two of which affect its Linux client that could have allowed an attacker with access to a compromised system to read and exfiltrate Zoom user data—and even run stealthy malware as a sub-process of a trusted application. According to cybersecurity researcher Mazin Ahmed , who presented his findings at DEF CON 2020 yesterday, the company also left a misconfigured development instance exposed that wasn't updated since September 2019, indicating the server could be susceptible to flaws that were left unpatched. After Ahmed privately reported the issues to Zoom in April and subsequently in July, the company issued a fix on August 3 (version 5.2.4). It's worth noting that for some of these attacks to happen, an attacker would need to have already compromised the victim's device by other means. But that doesn't take away the significance of the flaws. In one scenario, Ahmed uncov
cyber security

Automated remediation solutions are crucial for security

websiteWing SecurityShadow IT / SaaS Security
Especially when it comes to securing employees' SaaS usage, don't settle for a longer to-do list. Auto-remediation is key to achieving SaaS security.
Capital One Fined $80 Million for 2019 Data Breach Affecting 106 Million Users

Capital One Fined $80 Million for 2019 Data Breach Affecting 106 Million Users

Aug 07, 2020
A United States regulator has fined the credit card provider Capital One Financial Corp with $80 million over last year's data breach that exposed the personal information of more than 100 million credit card applicants of Americans. The fine was imposed by the Office of the Comptroller of the Currency (OCC), an independent bureau within the United States Department of the Treasury that governs the execution of laws relating to national banks. According to a press release published by the OCC on Thursday, Capital One failed to establish appropriate risk management before migrating its IT operations to a public cloud-based service, which included appropriate design and implementation of certain network security controls, adequate data loss prevention controls, and effective dispositioning of alerts. The OCC also said that the credit card provider also left numerous weaknesses in its cloud-based data storage in an internal audit in 2015 as well as failed to patch security
Researcher Demonstrates 4 New Variants of HTTP Request Smuggling Attack

Researcher Demonstrates 4 New Variants of HTTP Request Smuggling Attack

Aug 05, 2020
A new research has identified four new variants of HTTP request smuggling attacks that work against various commercial off-the-shelf web servers and HTTP proxy servers. Amit Klein, VP of Security Research at SafeBreach who presented the findings today at the Black Hat security conference, said that the attacks highlight how web servers and HTTP proxy servers are still susceptible to HTTP request smuggling even after 15 years since they were first documented. What is HTTP Request Smuggling? HTTP request smuggling (or HTTP Desyncing) is a technique employed to interfere with the way a website processes sequences of HTTP requests that are received from one or more users. Vulnerabilities related to HTTP request smuggling typically arise when the front-end (a load balancer or proxy) and the back-end servers interpret the boundary of an HTTP request differently, thereby allowing a bad actor to send (or "smuggle") an ambiguous request that gets prepended to the next le
Adobe Issues July 2020 Critical Security Patches for Multiple Software

Adobe Issues July 2020 Critical Security Patches for Multiple Software

Jul 14, 2020
Adobe today released software updates to patch a total of 13 new security vulnerabilities affecting 5 of its widely used applications. Out of these 13 vulnerabilities, four have been rated critical, and nine are important in severity. The affected products that received security patches today include: Adobe Creative Cloud Desktop Application Adobe Media Encoder Adobe Genuine Service Adobe ColdFusion Adobe Download Manager Adobe Creative Cloud Desktop Application versions 5.1 and earlier for Windows operating systems contain four vulnerabilities, one of which is a critical symlink issue (CVE-2020-9682) leading to arbitrary file system write attacks. According to the advisory , the other three important flaws in this Adobe software are privilege escalation issues. Adobe Media Encoder contains two critical arbitrary code execution (CVE-2020-9650 and CVE-2020-9646) and one important information disclosure issues, affecting both Windows and macOS users running Media En
New Highly-Critical SAP Bug Could Let Attackers Take Over Corporate Servers

New Highly-Critical SAP Bug Could Let Attackers Take Over Corporate Servers

Jul 14, 2020
SAP has patched a critical vulnerability impacting the LM Configuration Wizard component in NetWeaver Application Server (AS) Java platform, allowing an unauthenticated attacker to take control of SAP applications. The bug, dubbed RECON and tracked as CVE-2020-6287 , is rated with a maximum CVSS score of 10 out of 10, potentially affecting over 40,000 SAP customers, according to cybersecurity firm Onapsis, which uncovered the flaw . "If successfully exploited, a remote, unauthenticated attacker can obtain unrestricted access to SAP systems through the creation of high-privileged users and the execution of arbitrary operating system commands with the privileges of the SAP service user account, which has unrestricted access to the SAP database and is able to perform application maintenance activities, such as shutting down federated SAP applications," the US Cybersecurity and Infrastructure Security Agency (CISA) said in an advisory . "The confidentiality, integr
Critical Bugs and Backdoor Found in GeoVision's Fingerprint and Card Scanners

Critical Bugs and Backdoor Found in GeoVision's Fingerprint and Card Scanners

Jun 25, 2020
GeoVision, a Taiwanese manufacturer of video surveillance systems and IP cameras, recently patched three of the four critical flaws impacting its card and fingerprint scanners that could've potentially allowed attackers to intercept network traffic and stage man-in-the-middle attacks. In a report shared exclusively with The Hacker News, enterprise security firm Acronis said it discovered the vulnerabilities last year following a routine security audit of a Singapore-based major retailer. "Malicious attackers can establish persistence on the network and spy on internal users, steal data — without ever getting detected," Acronis said. "They can reuse your fingerprint data to enter your home and/or personal devices, and photos can be easily reused by malicious actors to perpetrate identity theft based on biometric data." In all, the flaws affect at least 6 device families, with over 2,500 vulnerable devices discovered online across Brazil, US, Germany, Ta
Oracle E-Business Suite Flaws Let Hackers Hijack Business Operations

Oracle E-Business Suite Flaws Let Hackers Hijack Business Operations

Jun 16, 2020
If your business operations and security of sensitive data rely on Oracle's E-Business Suite (EBS) , make sure you recently updated and are running the latest available version of the software. In a report released by enterprise cybersecurity firm Onapsis and shared with The Hacker News, the firm today disclosed technical details for vulnerabilities it reported in its integrated group of applications designed to automate CRM, ERP, and SCM operations for organizations. The two vulnerabilities, dubbed " BigDebIT " and rated a CVSS score of 9.9, were patched by Oracle in a critical patch update (CPU) pushed out earlier this January. But the company said an estimated 50 percent of Oracle EBS customers have not deployed the patches to date. The security flaws could be exploited by bad actors to target accounting tools such as General Ledger in a bid to steal sensitive information and commit financial fraud. According to the researchers, "an unauthenticated hacker
Intel CPUs Vulnerable to New 'SGAxe' and 'CrossTalk' Side-Channel Attacks

Intel CPUs Vulnerable to New 'SGAxe' and 'CrossTalk' Side-Channel Attacks

Jun 10, 2020
Cybersecurity researchers have discovered two distinct attacks that could be exploited against modern Intel processors to leak sensitive information from the CPU's trusted execution environments (TEE). Called SGAxe , the first of the flaws is an evolution of the previously uncovered CacheOut attack (CVE-2020-0549) earlier this year that allows an attacker to retrieve the contents from the CPU's L1 Cache. "By using the extended attack against the Intel-provided and signed architectural SGX enclaves, we retrieve the secret attestation key used for cryptographically proving the genuinity of enclaves over the network, allowing us to pass fake enclaves as genuine," a group of academics from the University of Michigan said. The second line of attack, dubbed CrossTalk by researchers from the VU University Amsterdam, enables attacker-controlled code executing on one CPU core to target SGX enclaves running on a completely different core, and determine the enclave'
SMBleed: A New Critical Vulnerability Affects Windows SMB Protocol

SMBleed: A New Critical Vulnerability Affects Windows SMB Protocol

Jun 09, 2020
Cybersecurity researchers today uncovered a new critical vulnerability affecting the Server Message Block (SMB) protocol that could allow attackers to leak kernel memory remotely, and when combined with a previously disclosed "wormable" bug, the flaw can be exploited to achieve remote code execution attacks. Dubbed " SMBleed " ( CVE-2020-1206 ) by cybersecurity firm ZecOps, the flaw resides in SMB's decompression function — the same function as with SMBGhost or EternalDarkness bug ( CVE-2020-0796 ), which came to light three months ago, potentially opening vulnerable Windows systems to malware attacks that can propagate across networks. The newly discovered vulnerability impacts Windows 10 versions 1903 and 1909, for which Microsoft today released security patches as part of its monthly Patch Tuesday updates for June . The development comes as the US Cybersecurity and Infrastructure Security Agency (CISA) issued an advisory last week warning Windows 10
Microsoft Releases June 2020 Security Patches For 129 Vulnerabilities

Microsoft Releases June 2020 Security Patches For 129 Vulnerabilities

Jun 09, 2020
Microsoft today released its June 2020 batch of software security updates that patches a total of 129 newly discovered vulnerabilities affecting various versions of Windows operating systems and related products. This is the third Patch Tuesday update since the beginning of the global Covid-19 outbreak, putting some extra pressure on security teams struggling to keep up with patch management while proceeding with caution that should not break anything during this lockdown season. The 129 bugs in the June 2020 bucket for sysadmins and billions of users include 11 critical vulnerabilities—all leading to remote code execution attacks—and 118 classified as important in severity, mostly leading to privilege escalation and spoofing attacks. According to the advisories Microsoft released today, hackers, fortunately, don't appear to be exploiting any of the zero-day vulnerabilities in the wild, and details for none of the flaws addressed this month was disclosed publicly before thi
Any Indian DigiLocker Account Could've Been Accessed Without Password

Any Indian DigiLocker Account Could've Been Accessed Without Password

Jun 08, 2020
The Indian Government said it has addressed a critical vulnerability in its secure document wallet service Digilocker that could have potentially let a remote attacker bypass mobile one-time passwords (OTP) and sign in as other users. Discovered separately by two independent bug bounty researchers, Mohesh Mohan and Ashish Gahlot , the vulnerability could have been exploited easily to unauthorisedly access sensitive documents uploaded by targeted users' on the Government-operated platform. "The OTP function lacks authorization which makes it possible to perform OTP validation with submitting any valid users details and then manipulation flow to sign in as a totally different user," Mohesh Mohan said in a disclosure shared with The Hacker News. With over 38 million registered users, Digilocker is a cloud-based repository that acts as a digital platform to facilitate online processing of documents and speedier delivery of various government-to-citizen services.
Two Critical Flaws in Zoom Could've Let Attackers Hack Systems via Chat

Two Critical Flaws in Zoom Could've Let Attackers Hack Systems via Chat

Jun 03, 2020
If you're using Zoom —especially during this challenging time to cope with your schooling, business, or social engagement—make sure you are running the latest version of the widely popular video conferencing software on your Windows, macOS, or Linux computers. No, it's not about the arrival of the most-awaited "real" end-to-end encryption feature, which apparently, according to the latest news, would now only be available to paid users . Instead, this latest warning is about two newly discovered critical vulnerabilities. Cybersecurity researchers from Cisco Talos unveiled today that it discovered two critical vulnerabilities in the Zoom software that could have allowed attackers to hack into the systems of group chat participants or an individual recipient remotely. Both flaws in question are path traversal vulnerabilities that can be exploited to write or plant arbitrary files on the systems running vulnerable versions of the video conferencing software to e
Newly Patched SAP ASE Flaws Could Let Attackers Hack Database Servers

Newly Patched SAP ASE Flaws Could Let Attackers Hack Database Servers

Jun 03, 2020
A new set of critical vulnerabilities uncovered in SAP's Sybase database software can grant unprivileged attackers complete control over a targeted database and even the underlying operating system in certain scenarios. The six flaws, disclosed by cybersecurity firm Trustwave today, reside in Sybase Adaptive Server Enterprise ( ASE ), a relational database management software geared towards transaction-based applications. The cybersecurity company said the issues — both specific to the operating system and the platform as a whole — were discovered during a security testing of the product, one of which has a CVSS rating of 9.1. Identified as CVE-2020-6248 , the most severe vulnerability allows arbitrary code execution when making database backups, thus allowing an attacker to trigger the execution of malicious commands. "During database backup operations, there are no security checks for overwriting critical configuration files," Trustwave researchers said  in a
Critical VMware Cloud Director Flaw Lets Hackers Take Over Corporate Servers

Critical VMware Cloud Director Flaw Lets Hackers Take Over Corporate Servers

Jun 02, 2020
Cybersecurity researchers today disclosed details for a new vulnerability in VMware's Cloud Director platform that could potentially allow an attacker to gain access to sensitive information and control private clouds within an entire infrastructure. Tracked as CVE-2020-3956 , the code injection flaw stems from an improper input handling that could be abused by an authenticated attacker to send malicious traffic to Cloud Director, leading to the execution of arbitrary code. It's rated 8.8 out of 10 on the CVSS v.3 vulnerability severity scale, making it a critical vulnerability. VMware Cloud Director is a popular deployment, automation, and management software that's used to operate and manage cloud resources, allowing businesses to data centers distributed across different geographical locations into virtual data centers. According to the company, the vulnerability can be exploited through the HTML5- and Flex-based UIs, the API Explorer interface, and API acces
Exclusive – Any Mitron (Viral TikTok Clone) Profile Can Be Hacked in Seconds

Exclusive – Any Mitron (Viral TikTok Clone) Profile Can Be Hacked in Seconds

May 30, 2020
Mitron (means "friends" in Hindi), you have been fooled again! Mitron is not really a 'Made in India' product, and the viral app contains a highly critical, unpatched vulnerability that could allow anyone to hack into any user account without requiring interaction from the targeted users or their passwords. I am sure many of you already know what TikTok is, and those still unaware, it's a highly popular video social platform where people upload short videos of themselves doing things like lip-syncing and dancing. The wrath faced by Chinese-owned TikTok from all directions—mostly due to data security and ethnopolitical reasons—gave birth to new alternatives in the market, one of which is the Mitron app for Android. Mitron video social platform recently caught headlines when the Android app crazily gained over 5 million installations and 250,000 5-star ratings in just 48 days after being released on the Google Play Store. Popped out of nowhere, Mitron i
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