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If you haven't recently updated your Chrome, Opera, or Edge web browser to the latest available version, it would be an excellent idea to do so as quickly as possible. Cybersecurity researchers on Monday disclosed details about a zero-day flaw in Chromium-based web browsers for Windows, Mac and Android that could have allowed attackers to entirely bypass Content Security Policy (CSP) rules since Chrome 73. Tracked as CVE-2020-6519 (rated 6.5 on the CVSS scale), the issue stems from a CSP bypass that results in arbitrary execution of malicious code on target websites. According to PerimeterX, some of the most popular websites, including Facebook, Wells Fargo, Zoom, Gmail, WhatsApp, Investopedia, ESPN, Roblox, Indeed, TikTok, Instagram, Blogger, and Quora, were susceptible to the CSP bypass. Interestingly, it appears that the same flaw was also highlighted by Tencent Security Xuanwu Lab more than a year ago, just a month after the release of Chrome 73 in March 2019, but...

A security researcher earlier today publicly revealed details and proof-of-concept exploit code for an unpatched, critical zero-day remote code execution vulnerability affecting the widely used internet forum software vBulletin that's already under active exploitation in the wild. vBulletin is a widely used proprietary Internet forum software package based on PHP and MySQL database server that powers over 100,000 websites on the Internet, including Fortune 500 and Alexa Top 1 million companies websites and forums. In September last year, a separate anonymous security researcher publicly disclosed a then-zero-day RCE vulnerability in vBulletin , identified as CVE-2019-16759 , and received a critical severity rating of 9.8, allowing attackers to execute malicious commands on the remote server without requiring any authentication to log into the forum. A day after the disclosure of CVE-2019-16759, the vBulletin team released security patches that resolved the issue, but it t...

If you are using TeamViewer, then beware and make sure you're running the latest version of the popular remote desktop connection software for Windows. TeamViewer team recently released a new version of its software that includes a patch for a severe vulnerability ( CVE 2020-13699 ), which, if exploited, could let remote attackers steal your system password and eventually compromise it. What's more worrisome is that the attack can be executed almost automatically without requiring much interaction of the victims and just by convincing them to visit a malicious web page once. For those unaware, TeamViewer is a popular remote-support software that allows users to securely share their desktop or take full control of other's PC over the Internet from anywhere in the world. The remote access software is available for desktop and mobile operating systems, including Windows, macOS, Linux, Chrome OS, iOS, Android, Windows RT Windows Phone 8, and BlackBerry. Discovered b...

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...

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 ...

Cybersecurity researchers today highlighted an evasive phishing technique that attackers are exploiting in the wild to target visitors of several sites with a quirk in domain names, and leverage modified favicons to inject e-skimmers and steal payment card information covertly. "The idea is simple and consists of using characters that look the same in order to dupe users," Malwarebytes researchers said in a Thursday analysis . "Sometimes the characters are from a different language set or simply capitalizing the letter 'i' to make it appear like a lowercase 'l'." Called an internationalized domain name (IDN) homograph attack , the technique has been used by a Magecart group on multiple domains to load the popular Inter skimming kit hidden inside a favicon file . The visual trickery typically involves leveraging the similarities of character scripts to create and register fraudulent domains of existing ones to deceive unsuspecting users into...

For much of this year, IT professionals all over the globe have had their hands full, finding ways to help businesses cope with the fallout of the coronavirus (COVID-19) pandemic. In many cases, it involved a rapid rollout of significant remote work infrastructure. That infrastructure was called into service with little to no warning and even less opportunity for testing. Needless to say, the situation wasn't ideal from a cybersecurity standpoint. And hackers all over the world knew it. Almost immediately, Google reported a significant increase in malicious activity, and Microsoft noted trends that appeared to back that up. The good news is that the wave of cyberattacks unleashed by the pandemic peaked in April and has since died down. Fortunately, that's allowing IT professionals and network administrators everywhere to take a deep breath and take stock of the new security environment they're now operating in. The trouble is, there's still so much uncertainty ...