Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fact that if the GPU incorrectly accesses the Gart address, it will read undefined values instead of pag...

Newly staked LP tokens' end time can overwrite previously staked LP tokens' end time

Lines of code Vulnerability details Impact When the following NeoTokyoStaker.stakeLP function is called for the first time to stake some LP tokens, stakerLPPositionmsg.sender.timelockEndTime = block.timestamp + timelockDuration is executed. Then, calling this function for a second time to stake...

Malicious Package

Overview default-difficulties is a malicious package. The package's name is based on existing repositories, namespaces, or components used by popular companies in an effort to trick employees into downloading it, also known as 'dependency confusion'. Therefore, you're only vulnerable if this...

Sinclair Confirms Ransomware Attack That Disrupted TV Stations

Sinclair Broadcast Group, which owns hundreds of local television stations across the U.S., confirmed Monday that it has suffered a ransomware attack. The incident is disrupting its advertising operations, among other things, and spread to many of its owned TV affiliates over the weekend, knockin...

Why You Should Consider QEMU Live Patching

Sysadmins know what the risks are of running unpatched services. Given the choice, and unlimited resources, most hardworking administrators will ensure that all systems and services are patched consistently. But things are rarely that simple. Technical resources are limited, and patching can ofte...

Spectre, Google, and the Universal Read Gadget

Spectre, a seemingly never ending menace to processors, is back in the limelight once again thanks to the Universal Read Gadget. First seen at the start of 2018, Spectre emerged alongside Meltdown as a major potential threat to people’s system security. Meltdown and Spectre Meltdown targeted Inte...

Can Everybody Read the US Terrorist Watch List?

After years of claiming that the Terrorist Screening Database is kept secret within the government, we have now learned that the DHS shares it "with more than 1,400 private entities, including hospitals and universities...." Critics say that the watchlist is wildly overbroad and mismanaged, and...

Programmers are also people who also make mistakes

It's the first part of our talk with Daniil Svetlov at his radio show "Safe Environment" or "Safe Wednesday" - kind of wordplay in Russian recorded 29.03.2017. We were discussing why Software Vulnerabilities are everyone's problem. Full video in Russian without subtitles is available here. I adde...

Why Tor Shuts Down its Anonymous Cloud Service?

Why Tor Cloud Project Shuts Down? Yes, you heard that right. The Tor project has announced that it’s closing down its Tor Cloud service that allowed users to donate bandwidth for browsing the web anonymously. The Tor Project is a non-profit organization behind the Tor anonymizing network that...

Computer Virus Blacks Out Qatari Gas Producer

An “unknown virus” has shutdown the entire computer network of the world’s second largest liquefied natural gas LNG producer, RasGas, according to news reports. RasGas is based in Qatar, a peninsular nation located within the larger Arabian Peninsula. The LNG producer has reportedly been offline...

Rob Cheyne on Security Education and the Problem of People in Security

Dennis Fisher talks with Rob Cheyne of Safelight Security Advisors about the classical problem of user education, how much of an obstacle to security people are and the ways in which technology has made security more difficult. Podcast audio courtesy of sykboy65 Subscribe to the Digital Undergrou...

Malware Messes up Online Test for Business Schools

The move by India’s top business schools to take their CAT entrance test online turned embarrassing after malware-infected computers left a number of students unable to take the test. Prometric, a Baltimore, Maryland testing company hired to conduct the CAT Common Admission Test, said this week...