WinRAR vulnerability exploited by two different groups


On July 30, 2025, WinRAR released a new version (7.13 Final) to patch a vulnerability which was used in two separate malware campaigns. WinRAR is a popular file archiving and data compression tool that allows users to compress files into smaller archives, like RAR and ZIP, and can also unpack various archive formats.

The vulnerability, tracked as CVE-2025-8088, is a path traversal flaw that affects the Windows version of WinRAR and allows the attackers to execute arbitrary code by crafting malicious archive files. A path traversal vulnerability, also known as a directory traversal vulnerability, is a type of security flaw that allows attackers to access files and directories they should not be able to reach.

Read more…
Source: Malwarebytes Labs


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


Related:

  • Brand-New HavanaCrypt Ransomware Poses as Google Software Update App, Uses Microsoft Hosting Service IP Address as C&C Server

    July 6, 2022

    Recently, Trend Micro researchers found a brand-new ransomware family that employs a similar scheme: It disguises itself as a legitimate Google Software Update application and uses a Microsoft web hosting service IP address as its command-and-control (C&C) server to circumvent detection. Their investigation also shows that this ransomware uses the QueueUserWorkItem function, a .NET System.Threading ...

  • RaHDIt hackers published data of Ukrainian spies

    July 6, 2022

    RaHDIt hackers have made public the data of one thousand employees of the Main Intelligence Directorate (GUR) of the military department of Ukraine. According to RIA Novosti, problems in protecting the networks of the Central Directorate of the Main Intelligence Directorate on Rybalsky Island in Kyiv helped in the formation of the database. Among the disclosed intelligence ...

  • North Korean State-Sponsored Cyber Actors Use Maui Ransomware to Target the Healthcare and Public Health Sector

    July 6, 2022

    The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and the Department of the Treasury (Treasury) are releasing this joint Cybersecurity Advisory (CSA) to provide information on Maui ransomware, which has been used by North Korean state-sponsored cyber actors since at least May 2021 to target Healthcare and Public Health (HPH) Sector ...

  • Ransomware, hacking groups move from Cobalt Strike to Brute Ratel

    July 6, 2022

    Hacking groups and ransomware operations are moving away from Cobalt Strike to the newer Brute Ratel post-exploitation toolkit to evade detection by EDR and antivirus solutions. Corporate cybersecurity teams commonly consist of employees who attempt to breach corporate networks (red team) and those who actively defend against them (blue team). Both teams then share notes after ...

  • Security advisory accidentally exposes vulnerable systems

    July 6, 2022

    A security advisory for a vulnerability (CVE) published by MITRE has accidentally been exposing links to remote admin consoles of over a dozen vulnerable IP devices since at least April 2022. BleepingComputer became aware of this issue yesterday after getting tipped off by a reader who prefers to remain anonymous. The reader was baffled on seeing ...

  • Hive ransomware gets upgrades in Rust

    July 5, 2022

    Hive ransomware is only about one year old, having been first observed in June 2021, but it has grown into one of the most prevalent ransomware payloads in the ransomware-as-a-service (RaaS) ecosystem. With its latest variant carrying several major upgrades, Hive also proves it’s one of the fastest evolving ransomware families, exemplifying the continuously changing ...