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CosmicStrand: the discovery of a sophisticated UEFI firmware rootkit

SecureList

In our APT predictions for 2022 , we noted that despite these risks, we expected more attackers to reach the sophistication level required to develop such tools. In this report, we present a UEFI firmware rootkit that we called CosmicStrand and attribute to an unknown Chinese-speaking threat actor. an evil maid attack scenario).

Firmware 145
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IT threat evolution Q1 2022

SecureList

IT threat evolution in Q1 2022. IT threat evolution in Q1 2022. IT threat evolution in Q1 2022. MoonBounce: the dark side of UEFI firmware. Late last year, we became aware of a UEFI firmware-level compromise through logs from our firmware scanner (integrated into Kaspersky products at the start of 2019).

Phishing 134
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Update now! Many HP printers affected by three critical security vulnerabilities

Malwarebytes

CVE-2022-3942 is a vulnerability rated with a CVSS score of 8.4 The Link-Local Multicast Name Resolution (LLMNR) is a protocol based on the Domain Name System (DNS) packet format that allows both IPv4 and IPv6 hosts to perform name resolution for hosts on the same local link. CVE-2022-24291 (CVSS 7.5 out of 10).

Firmware 145
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Unfixed vulnerability in popular library puts IoT products at risk

Malwarebytes

Researchers have found a vulnerability in a popular C standard library in IoT products that could allow attackers to perform DNS poisoning attacks against a target device. Similar to other C standard libraries, uClibc provides an extensive DNS client interface that allows programs to readily perform lookups and other DNS-related requests.

IoT 132
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Experts share details of five flaws that can be chained to hack Netgear RAX30 Routers 

Security Affairs

An attacker could also use these vulnerabilities to access and control networked smart devices (security cameras, thermostats, smart locks), change router settings including credentials or DNS settings, or use a compromised network to launch attacks against other devices or networks.” ” reads the advisory published by NETGEAR.

Hacking 98
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Massive Surge in DDoS Attacks Reported in First Quarter of 2023

CyberSecurity Insiders

E-commerce confronted significant challenges, withstanding 22% of attacks and a 51% increase compared to Q1 2022. targeting the DNS, and the remaining 3.7% in Q1 2022 to 6.4% Keep software, firmware, and security patches up to date to minimize vulnerabilities that could be exploited by attackers.

DDOS 129
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Memory Safe Languages in Android 13

Google Security

From 2019 to 2022 the annual number of memory safety vulnerabilities dropped from 223 down to 85. From 2019 to 2022 it has dropped from 76% down to 35% of Android’s total vulnerabilities. 2022 is the first year where memory safety vulnerabilities do not represent a majority of Android’s vulnerabilities. So, what gives?

DNS 145