Realtek | Breaking Cybersecurity News | The Hacker News

Researchers are warning about a spike in exploitation attempts weaponizing a now-patched critical remote code execution flaw in Realtek Jungle SDK since the start of August 2022. According to Palo Alto Networks Unit 42, the ongoing campaign is said to have recorded 134 million exploit attempts as of December 2022, with 97% of the attacks occurring in the past four months. Close to 50% of the attacks originated from the U.S. (48.3%), followed by Vietnam (17.8%), Russia (14.6%), The Netherlands (7.4%), France (6.4%), Germany (2.3%0, and Luxembourg (1.6%). What's more, 95% of the attacks leveraging the security shortcoming that emanated from Russia singled out organizations in Australia. "Many of the attacks we observed tried to deliver malware to infect vulnerable IoT devices," Unit 42 researchers  said  in a report, adding "threat groups are using this vulnerability to carry out large-scale attacks on smart devices around the world." The vulnerability in q...

Taiwanese chip designer Realtek is warning of  four security vulnerabilities  in three software development kits (SDKs) accompanying its WiFi modules, which are used in almost 200 IoT devices made by at least 65 vendors. The flaws, which affect Realtek SDK v2.x, Realtek "Jungle" SDK v3.0/v3.1/v3.2/v3.4.x/v3.4T/v3.4T-CT, and Realtek "Luna" SDK up to version 1.3.2, could be abused by attackers to fully compromise the target device and execute arbitrary code with the highest level of privilege — CVE-2021-35392  (CVSS score: 8.1) - Heap buffer overflow vulnerability in 'WiFi Simple Config' server due to unsafe crafting of SSDP NOTIFY messages CVE-2021-35393  (CVSS score: 8.1) - Stack buffer overflow vulnerability in 'WiFi Simple Config' server due to unsafe parsing of the UPnP SUBSCRIBE/UNSUBSCRIBE Callback header CVE-2021-35394  (CVSS score: 9.8) - Multiple buffer overflow vulnerabilities and an arbitrary command injection vulnerability in 'UD...

A new set of critical vulnerabilities has been disclosed in the Realtek RTL8170C Wi-Fi module that an adversary could abuse to gain elevated privileges on a device and hijack wireless communications. "Successful exploitation would lead to complete control of the Wi-Fi module and potential root access on the OS (such as Linux or Android) of the embedded device that uses this module," researchers from Israeli IoT security firm Vdoo  said  in a write-up published yesterday. The Realtek  RTL8710C  Wi-Fi SoC underpins Ameba, an Arduino-compatible programmable platform equipped with peripheral interfaces for building a variety of IoT applications by devices spanning across agriculture, automotive, energy, healthcare, industrial, security, and smart home sectors. The flaws affect all embedded and IoT devices that use the component to connect to Wi-Fi networks and would require an attacker to be on the same Wi-Fi network as the devices that use the RTL8710C module or kn...

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