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2020/07/21

Hack Brief: Microsoft Warns of a 17-Year-Old ‘Wormable’ Bug

As part of its Patch Tuesday batch of software updates, Microsoft today released a fix for a bug discovered by Israeli security firm Check Point, which the company's researchers have named SigRed. The SigRed bug exploits Windows DNS, one of the most popular kinds of DNS software that translates domain names into IP addresses. Windows DNS runs on the DNS servers of practically every small and medium-sized organization around the world. The bug, Check Point says, has existed in that software for a remarkable 17 years.
2020/07/16

The massive Twitter hack could be a global security crisis

The Twitter accounts of major companies and individuals have been compromised in one of the most widespread and confounding hacks the platform has ever seen, all in service of promoting a bitcoin scam that appears to be earning its creator quite a bit of money.

We don’t know how it’s happened or even to what extent Twitter’s own systems may have been compromised. The hack appears to have subsided, but new scam tweets were posting to verified accounts on a regular basis starting shortly after 4PM ET and lasting more than two hours. Twitter acknowledged the situation after more than an hour of silence, writing on its support account at 5:45PM ET, “We are aware of a security incident impacting accounts on Twitter. We are investigating and taking steps to fix it. We will update everyone shortly."
2020/07/14

Zoom Zero-Day Allows RCE, Patch on the Way

A newly discovered bug in the Zoom Client for Windows could allow remote code-execution, according to researchers at 0patch, which disclosed the existence of the flaw on Thursday after pioneering a proof-of-concept exploit for it. The issue was confirmed for Threatpost by a Zoom spokesperson.

Update July 10: A patch has been issued. The company told Threatpost: “Zoom addressed this issue, which impacts users running Windows 7 and older, in the 5.1.3 client release on July 10. Users can help keep themselves secure by applying current updates or downloading the latest Zoom software with all current security updates from https://zoom.us/download.”
2020/07/07

Android Users Hit with ‘Undeletable’ Adware

Researchers say that 14.8 percent of Android users who were targeted with mobile malware or adware last year were left with undeletable files.

A healthy percentage of Android users targeted by mobile malware or mobile adware last year suffered a system partition infection, making the malicious files virtually undeletable.

That’s according to research from Kaspersky, which found that 14.8 percent of its users who suffered such attacks were left with undeletable files. These range from trojans that can install and run apps without the user’s knowledge, to less threatening, but nevertheless intrusive, advertising apps.
2020/07/01

CISA: Nation-State Attackers Likely to Exploit Palo Alto Networks Bug

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that foreign hackers are likely to exploit a newly disclosed, critical vulnerability in a raft of Palo Alto Networks firewalls and enterprise VPN appliances, which allows for device takeover without authentication.

The Department of Defense (DoD) arm that oversees cyberspace operations has advised all devices affected by the flaw, CVE-2020-2021, be patched immediately. The vulnerability affects devices that use Security Assertion Markup Language (SAML), according to a tweet by the agency.