The Register: Doomsday 9.9 RCE bug could hit every Linux system – and more

Source URL: https://www.theregister.com/2024/09/26/unauthenticated_rce_bug_linux/
Source: The Register
Title: Doomsday 9.9 RCE bug could hit every Linux system – and more

Feedly Summary: No fix plus a POC exploit equals bad news
Details about a critical, 9.9-rated unauthenticated RCE affecting all GNU/Linux systems — and possibly others — will soon be revealed, according to bug hunter Simone Margaritelli, who says there’s still no fix for the decade-old flaw he disclosed to developers three weeks ago.…

AI Summary and Description: Yes

Summary: The text discusses a critical unauthenticated remote code execution (RCE) vulnerability affecting GNU/Linux systems, rated 9.9 in severity, as disclosed by bug hunter Simone Margaritelli. The vulnerability exists for over ten years without a fix and poses significant risks to a wide range of devices, emphasizing the urgent need for security teams to prepare for potential exploitation.

Detailed Description: The information highlights an extremely severe vulnerability that has been identified in GNU/Linux systems, with implications for extensive device security:

– **Vulnerability Details**:
– Rated 9.9 on the CVSS scale, indicating notably high severity and low complexity for exploitation.
– The flaw has reportedly existed without a fix for nearly a decade.
– The disclosure process for this vulnerability has reportedly been inadequate.

– **Impact & Scope**:
– Confirmed by major entities like Canonical and RedHat, indicating recognition of its seriousness within the industry.
– A potential exploit could affect a wide range of devices reliant on Linux, from simple IT infrastructure to critical systems like power grids.

– **Security Preparations**:
– Although the technical details remain undisclosed, security teams are advised to prepare, as the delayed disclosure allows for proactive measures against potential exploits before the details become public.

– **Future Disclosure**:
– Simone Margaritelli is expected to publish a detailed write-up, including a proof-of-concept exploit on or before September 30.
– Current discussions indicate the need for multiple CVEs to be assigned, implying multiple facets or components to the vulnerability.

– **Industry Reaction**:
– Cybersecurity experts are taking the findings seriously, understanding that a vulnerability rated at 9.9 is critical and could lead to widespread compromises.

This scenario underscores the critical importance of security vigilance, especially with foundational components like operating systems that underpin vast technological infrastructures. Security professionals must stay alert and prioritize mitigation strategies in anticipation of further details regarding the vulnerability.