‘Dirty Frag’ Linux flaw one-ups CopyFail with no patches and public root exploit


Broken disclosure embargo left admins facing a fresh root-level flaw with no CVE

A fresh Linux privilege escalation bug dubbed “Dirty Frag” has dropped into the wild with no patches, no CVE, and a public exploit that hands attackers root access across major distributions.Security researcher Hyunwoo Kim disclosed the local privilege escalation flaw on Friday after what he said was a broken embargo forced the issue into the open.

Kim described Dirty Frag as a “universal LPE” affecting “all major distributions” and warned that it delivers the same kind of immediate root access as the recent CopyFail mess – only this time, defenders do not even have patches to throw at the problem.

Read more…
Source:  The Register News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Fake BianLian Ransomware Letters in Circulation

    March 19, 2025

    On March 5, the FBI issued an alert regarding a mail scam targeting U.S. business executives with extortion. The letters claim to be from noted ransomware group BianLian, demanding a payment in Bitcoin ranging from $250,000 to $500,000 within ten days of receipt. The FBI alert reads as follows: “Stamped “Time Sensitive Read Immediately”, the letter ...

  • ZDI-CAN-25373: Windows shortcut exploit abused as Zero-Day in widespread APT campaigns

    March 18, 2025

    The Trend Zero Day Initiative threat hunting team identified significant instances of the exploitation of ZDI-CAN-25373 across a variety of campaigns dating back to 2017. The researchers analysis revealed that 11 state-sponsored groups from North Korea, Iran, Russia, and China have employed ZDI-CAN-25373 in operations primarily motivated by cyber espionage and data theft. Trend Micro discovered ...

  • Critical Security Incident involving GitHub Action tj-action/changed-files

    March 17, 2025

    A critical security incident involving the tj-actions/changed-files GitHub Action has been reported. The changed-files action, which allows GitHub repositories to track file changes, has been tampered with to allow the exposure through GitHub Actions build logs of CI/CD secrets, including passwords, tokens, API keys, PII and other sensitive data that have been embedded within software code. ...

  • Infamous ransomware hackers reveal new tool to brute-force VPNs

    March 17, 2025

    The “BRUTED” tool has apparently been in use for years now, according to cybersecurity researchers EclecticIQ, who have been sifting through the recently-leaked Black Basta chat logs, which were leaked and subsequently uploaded to a GPT for easier analysis. Besides being used to analyze the group’s structure, organization, and activities, researchers used it to identify the ...

  • StilachiRAT analysis: From system reconnaissance to cryptocurrency theft

    March 17, 2025

    In November 2024, Microsoft Incident Response researchers uncovered a novel remote access trojan (RAT) they named StilachiRAT that demonstrates sophisticated techniques to evade detection, persist in the target environment, and exfiltrate sensitive data. Analysis of the StilachiRAT’s WWStartupCtrl64.dll module that contains the RAT capabilities revealed the use of various methods to steal information from the target ...

  • Exploitation of Apache Tomcat Vulnerability CVE-2025-24813

    March 17, 2025

    The Apache Software Foundation has released security updates addressing a vulnerability in Apache Tomcat. Tomcat is an open-source web server and servlet container that is used to deploy and serve Java-based web applications. CVE-2025-24813 is ‘deserialisation of untrusted data’ and ‘path equivalence: file.name (Internal dot)’ vulnerability that an attacker could exploit to achieve remote code execution ...