Security News
Security researchers have spotted some fresh flaws in Lenovo laptops just months after the vendor patched another batch, with the PC maker fixing a trio of vulnerabilities flagged up by ESET this week. The vulnerabilities reported were buffer overflows in the UEFI firmware.
Consumer electronics maker Lenovo on Tuesday rolled out fixes to contain three security flaws in its UEFI firmware affecting over 70 product models. "The vulnerabilities can be exploited to achieve arbitrary code execution in the early phases of the platform boot, possibly allowing the attackers to hijack the OS execution flow and disable some important security features," Slovak cybersecurity firm ESET said in a series of tweets.
The UEFI firmware used in several laptops made by Lenovo is vulnerable to three buffer overflow vulnerabilities that could enable attackers to hijack the startup routine of Windows installations. Lenovo has issued a security advisory disclosing three medium severity vulnerabilities tracked as CVE-2022-1890, CVE-2022-1891, and CVE-2022-1892.
The threat of firmware attacks is a growing concern for IT leaders now that hybrid workers are connecting from home networks more frequently: With hybrid or remote work now the norm for many employees there is a greater risk of working on potentially unsecure home networks meaning that the level of threat posed by firmware attacks has risen. More than eight-in-ten IT leaders say firmware attacks against laptops and PCs now pose a significant threat, while 76% of ITDMs said firmware attacks against printers pose a significant threat.
An analysis of leaked chats from the notorious Conti ransomware group earlier this year has revealed that the syndicate has been working on a set of firmware attack techniques that could offer a path to accessing privileged code on compromised devices. "Control over firmware gives attackers virtually unmatched powers both to directly cause damage and to enable other long-term strategic goals," firmware and hardware security firm Eclypsium said in a report shared with The Hacker News.
Researchers analyzing the leaked chats of the notorious Conti ransomware operation have discovered that teams inside the Russian cybercrime group were actively developing firmware hacks. It is important to note that contrary to TrickBot's module that targeted UEFI firmware flaws, aiding Conti infections and later undertaken by the ransomware group, the new findings indicate that the malicious engineers were striving to discover new, unknown vulnerabilities in the ME. Firmware attacks in ransomware.
Netgear is pushing out fixes for a bad Orbi firmware update released earlier this month that prevents users from accessing the device's admin console. "We are aware of an issue affecting the Orbi RBK85x and RBK75x Series Mesh WiFi 6 Systems," Netgear explained on their status page.
"Potential security vulnerabilities have been identified in the BIOS for certain HP PC products, which might allow arbitrary code execution. HP is releasing firmware updates to mitigate these potential vulnerabilities," reads the short advisory. "This vulnerability could allow an attacker executing with kernel-level privileges to escalate privileges to System Management Mode. Executing in SMM gives an attacker full privileges over the host to further carry out attacks." explains a report by Starke.
QNAP, Taiwanese maker of network-attached storage devices, on Friday released security updates to patch nine security weaknesses, including a critical issue that could be exploited to take over an affected system. "A vulnerability has been reported to affect QNAP VS Series NVR running QVR," QNAP said in an advisory.
Network-attached storage appliance maker QNAP on Thursday said it's investigating its lineup for potential impact arising from two security vulnerabilities that were addressed in the Apache HTTP server last month. The critical flaws, tracked as CVE-2022-22721 and CVE-2022-23943, are rated 9.8 for severity on the CVSS scoring system and impact Apache HTTP Server versions 2.4.52 and earlier -.