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:

  • Microsoft: powerdir bug gives access to protected macOS user data

    January 10, 2022

    Microsoft says threat actors could use a macOS vulnerability to bypass Transparency, Consent, and Control (TCC) technology to access users’ protected data. The Microsoft 365 Defender Research Team has reported the vulnerability dubbed powerdir (tracked as CVE-2021-30970) to Apple on July 15, 2021, via the Microsoft Security Vulnerability Research (MSVR). TCC is security tech designed to block ...

  • Uncovering and Defending Systems Against Attacks With Layers of Remote Control

    January 10, 2022

    As organizations brace themselves for the year ahead, now is an opportune time to take stock of how they can strengthen their security posture and shore up their defenses. While organizations may have the power of leading-edge cybersecurity solutions on their side, malicious actors continue to work diligently to refine their methods and take advantage ...

  • Vulnerability Spotlight: Buffer overflow vulnerability in AnyCubic Chitubox plugin

    January 10, 2022

    Cisco Talos recently discovered an exploitable heap-based buffer overflow vulnerability in the Chitubox AnyCubic plugin. Chitubox is 3-D printing software for users to download and process models and send them to a 3-D printer. The specific AnyCubic plugin allows the software to convert the output of the Chitubox slicer (general format files) into the format expected ...

  • FBI: Cyber criminals are mailing out USB drives that install ransomware

    January 10, 2022

    A cybercrime group has been mailing out USB thumb drives in the hope that recipients will plug them into their PCs and install ransomware on their networks, according to the FBI. The USB drives contain so-called ‘BadUSB’ attacks. They were sent in the mail through the United States Postal Service and United Parcel Service. One type ...

  • Abcbot botnet is linked to Xanthe cryptojacking group

    January 10, 2022

    Researchers have forged a “clear” link between the Abcbot botnet and a well-established cryptojacking cybercriminal group. First discovered In July 2021 by Netlab 360, the Abcbot botnet began as a simple scanner that used basic credential stuffing attacks and known vulnerability exploits to compromise vulnerable Linux systems. However, the developers quickly updated their creation to include self-update ...

  • Night Sky is the latest ransomware targeting corporate networks

    January 6, 2022

    It’s a new year, and with it comes a new ransomware to keep an eye on called ‘Night Sky’ that targets corporate networks and steals data in double-extortion attacks. According to MalwareHunterteam, who first spotted the new ransomware, the Night Sky operation started on December 27th and has since published the data of two victims. One of ...