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Libssh2, a popular open source client-side C library implementing the SSHv2 protocol, has released the latest version of its software to patch a total of nine security vulnerabilities. The Libssh2 library is available for all major distributors of the Linux operating systems, including Ubuntu, Red Hat, Debian, and also comes bundled within some distributions and software as a default library. According to an  advisory published Monday, all the below listed vulnerabilities that were patched with the release of libssh2 version 1.8.1 lead to memory corruption issues which could result in arbitrary code execution on a client system in certain circumstances. Here's the list of security vulnerabilities patched in Libssh: 1. CVE-2019-3855: Possible integer overflow in transport read that could lead to an out-of-bounds write. A malicious server, or a remote attacker who compromises an SSH server, could send a specially crafted packet which could result in executing malicious ...

Security researchers have uncovered a new variant of the infamous Mirai Internet of Things botnet , this time targeting embedded devices intended for use within business environments in an attempt to gain control over larger bandwidth to carry out devastating DDoS attacks . Although the original creators of Mirai botnet have already been arrested and jailed , variants of the infamous IoT malware, including Satori and Okiru , keep emerging due to the availability of its source code on the Internet since 2016. First emerged in 2016, Mirai is well known IoT botnet malware that has the ability to infect routers, and security cameras, DVRs, and other smart devices—which typically use default credentials and run outdated versions of Linux—and enslaves the compromised devices to form a botnet, which is then used to conduct DDoS attacks . New Mirai Variant Targets Enterprise IoT Devices Now, Palo Alto Network Unit 42 researchers have spotted the newest variant of Mirai that...

A hacker who was selling details of nearly 890 million online accounts stolen from 32 popular websites in three separate rounds has now put up a fourth batch of millions of records originating from 6 other sites for sale on the dark web. The Hacker News today received a new email from the Pakistani hacker, who goes by online alias Gnosticplayers and previously claimed to have hacked dozens of popular websites from companies which, according to him, probably had no idea that they were compromised. The hacker last month made three rounds of stolen accounts up for sale on the popular dark web market called Dream Market, posting details of 620 million accounts stolen from 16 websites in the first round, 127 million records from 8 sites in the second, and 92 million from 8 websites in the third. Although while releasing the third round Gnosticplayers told The Hacker News that it would be his last batch of the stolen database, the hacker released the fourth round containing nearl...

Various cyber criminal groups and individual hackers are still exploiting a recently patched critical code execution  vulnerability in WinRAR , a popular Windows file compression application with 500 million users worldwide. Why? Because the WinRAR software doesn't have an auto-update feature, which, unfortunately, leaves millions of its users vulnerable to cyber attacks. The critical vulnerability (CVE-2018-20250) that was patched late last month by the WinRAR team with the release of WinRAR version 5.70 beta 1 impacts all prior versions of WinRAR released over the past 19 years. For those unaware, the vulnerability is "Absolute Path Traversal" bug that resides in the old third-party library UNACEV2.DLL of WinRAR and allows attackers to extract a compressed executable file from the ACE archive to one of the Windows Startup folders, where the malicious file would automatically run on the next reboot. Therefore, to successfully exploit this vulnerability and tak...

WhatsApp, Facebook, and Instagram faced a widespread outage yesterday with users from around the world reporting issues with sending messages on WhatsApp and Messenger, posting feeds on Facebook and accessing other features on the three Facebook-owned platforms. While the outage was quite troubling both for the social media giant and its millions of users, guess who benefits the most out of the incident? TELEGRAM. Pavel Durov, the founder of the popular secure messaging platform Telegram, claims to have had a surge in sign-ups within the last 24 hours, at the time duration when its rival messaging services were facing downtime. "I see 3 million new users signed up for Telegram within the last 24 hours," Durov wrote on his Telegram channel. "Good. We have true privacy and unlimited space for everyone." Telegram is an excellent alternative to Facebook's Messenger and WhatsApp services, offering users an optional end-to-end encrypted messaging feature,...

If for some reason your WordPress-based website has not yet been automatically updated to the latest version 5.1.1, it's highly recommended to immediately upgrade it before hackers could take advantage of a newly disclosed vulnerability to hack your website. Simon Scannell, a researcher at RIPS Technologies GmbH, who previously reported multiple critical vulnerabilities in WordPress, has once again discovered a new flaw in the content management software (CMS) that could potentially lead to remote code execution attacks. The flaw stems from a cross-site request forgery (CSRF) issue in the Wordpress' comment section, one of its core components that comes enabled by default and affects all WordPress installations prior to version 5.1.1. Unlike most of the previous attacks documented against WordPress, this new exploit allows even an "unauthenticated, remote attacker" to compromise and gain remote code execution on the vulnerable WordPress websites. "...