An exploration of zero-click attack surface for the popular video conferencing solution Zoom has yielded two previously undisclosed security vulnerabilities that could have been exploited to crash the service, execute malicious code, and even leak arbitrary areas of its memory. Natalie Silvanovich of Google Project Zero, who discovered and reported the two flaws last year, …
A study of 16 different Uniform Resource Locator (URL) parsing libraries has unearthed inconsistencies and confusions that could be exploited to bypass validations and open the door to a wide range of attack vectors. In a deep-dive analysis jointly conducted by cybersecurity firms Claroty and Synk, eight security vulnerabilities were identified in as many third-party …
A group of academics from the University of California, Santa Barbara, has demonstrated what it calls a “scalable technique” to vet smart contracts and mitigate state-inconsistency bugs, discovering 47 zero-day vulnerabilities on the Ethereum blockchain in the process. Smart contracts are programs stored on the blockchain that are automatically executed when predetermined conditions are met …
Microsoft is urging customers to patch two security vulnerabilities in Active Directory domain controllers that it addressed in November following the availability of a proof-of-concept (PoC) tool on December 12. The two vulnerabilities — tracked as CVE-2021-42278 and CVE-2021-42287 — have a severity rating of 7.5 out of a maximum of 10 and concern a …
Meta Platforms, the company formerly known as Facebook, has announced that it’s expanding its bug bounty program to start rewarding valid reports of scraping vulnerabilities across its platforms as well as include reports of scraping data sets that are available online. “We know that automated activity designed to scrape people’s public and private data targets …
At least 300,000 IP addresses associated with MikroTik devices have been found vulnerable to multiple remotely exploitable security vulnerabilities that have since been patched by the popular supplier of routers and wireless ISP devices. The most affected devices are located in China, Brazil, Russia, Italy, Indonesia, with the U.S. coming in at number eight, cybersecurity …
Multiple security weaknesses have been disclosed in MediaTek system-on-chips (SoCs) that could have enabled a threat actor to elevate privileges and execute arbitrary code in the firmware of the audio processor, effectively allowing the attackers to carry out a “massive eavesdrop campaign” without the users’ knowledge. The discovery of the flaws is the result of …
A now-patched vulnerability affecting Oracle VM VirtualBox could be potentially exploited by an adversary to compromise the hypervisor and cause a denial-of-service (DoS) condition. “Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox,” the advisory reads. “Successful attacks of this vulnerability can …
Microsoft has released security updates as part of its monthly Patch Tuesday release cycle to address 55 vulnerabilities across Windows, Azure, Visual Studio, Windows Hyper-V, and Office, including fixes for two actively exploited zero-day flaws in Excel and Exchange Server that could be abused to take control of an affected system. Of the 55 glitches, …
Google on Thursday rolled out an emergency update for its Chrome web browser, including fixes for two zero-day vulnerabilities that it says are being actively exploited in the wild. Tracked as CVE-2021-38000 and CVE-2021-38003, the weaknesses relate to insufficient validation of untrusted input in a feature called Intents as well as a case of inappropriate …