Security News
The infamous Mirai botnet was spotted by researchers who say it is spinning up again, this time with an "Aggressively updated arsenal of exploits." It's the first major update to the IZ1H9 Mirai variant in months and arrives bolstered with tools to break into devices from D-Link and Zyxel, among others.
Google is asking bug hunters and exploit writers to develop 0-day and n-day exploits in Chrome's V8 JavaScript engine and Google Cloud's Kernel-based Virtual Machine. The exploit writers should make their exploitation attempts against a V8 version running on Google infrastructure.
Proof-of-concept exploits have already surfaced online for a high-severity flaw in GNU C Library's dynamic loader, allowing local attackers to gain root privileges on major Linux distributions. One of these PoC exploits, confirmed as working by vulnerability and exploit expert Will Dormann, was released by independent security researcher Peter Geissler earlier today.
Qualcomm is warning of three zero-day vulnerabilities in its GPU and Compute DSP drivers that hackers are actively exploiting in attacks. Qualcomm says it has released security updates that address the issues in its Adreno GPU and Compute DSP drivers, and impacted OEMs were also notified.
Over the weekend, security researchers released a proof-of-concept exploit for a maximum severity remote code execution vulnerability in Progress Software's WS FTP Server file sharing platform. "This vulnerability turned out to be relatively straight forward and represented a typical.NET deserialization issue that led to RCE. It's surprising that this bug has stayed alive for so long, with the vendor stating that most versions of WS FTP are vulnerable," Assetnote said.
Proof-of-concept exploit code has surfaced on GitHub for a critical authentication bypass vulnerability in Microsoft SharePoint Server, allowing privilege escalation. Janggggg successfully achieved RCE on a Microsoft SharePoint Server using this exploit chain during the March 2023 Pwn2Own contest in Vancouver, earning a $100,000 reward.
A malicious actor released a fake proof-of-concept (PoC) exploit for a recently disclosed WinRAR vulnerability on GitHub with an aim to infect users who downloaded the code with Venom RAT malware....
A hacker is spreading a fake proof-of-concept exploit for a recently fixed WinRAR vulnerability on GitHub, attempting to infect downloaders with the VenomRAT malware. The fake PoC exploit was spotted by Palo Alto Networks' Unit 42 team of researchers, who reported that the attacker uploaded the malicious code to GitHub on August 21, 2023.
About 79 percent of public-facing Juniper SRX firewalls remain vulnerable to a single security flaw can allow an unauthenticated attacker to remotely execute code on the devices, according to threat intelligence platform provider VulnCheck. Juniper revealed and addressed five flaws, which affect all versions of Junos OS on SRX firewalls and EX Series switches, in an out-of-cycle security bulletin on August 17.
Proof-of-concept exploit code has been published for a Windows Themes vulnerability tracked as CVE-2023-38146 that allows remote attackers to execute code. The exploit code was released by Gabe Kirkpatrick, one of the researchers who reported the vulnerability to Microsoft on May 15 and received $5,000 for the bug.