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:

  • It costs just $7 to rent DCRat to backdoor your network

    May 9, 2022

    A budget-friendly remote access trojan (RAT) that’s under active development is selling on underground Russian forums for about $7 for a two-month subscription, according to BlackBerry researchers today. The backdoor Windows malware, dubbed DCRat or DarkCrystal RAT, was released in 2018, then redesigned and relaunched the following year. An individual who goes by the handles boldenis44, ...

  • Exploits created for critical F5 BIG-IP flaw – install patch immediately

    May 8, 2022

    Security researchers are warning F5 BIG-IP admins to immediately install the latest security updates after creating exploits for a recently disclosed critical CVE-2022-1388 remote code execution vulnerability. Last week, F5 disclosed a new critical remote code execution in BIG-IP networking devices tracked as CVE-2022-1388. This vulnerability affects the BIG-IP iControl REST authentication component and allows remote ...

  • NetDooka Framework Distributed via PrivateLoader Malware as Part of Pay-Per-Install Service

    May 5, 2022

    Trend Micro researchers recently encountered a fairly sophisticated malware framework that they named NetDooka after the names of some of its components. The framework is distributed via a pay-per-install (PPI) service and contains multiple parts, including a loader, a dropper, a protection driver, and a full-featured remote access trojan (RAT) that implements its own network ...

  • UK: Phishing operation hits National Health Service email accounts to harvest Microsoft credentials

    May 5, 2022

    A phishing operation compromised over one hundred UK National Health Service (NHS) employees’ Microsoft Exchange email accounts for credential harvesting purposes, according to email security shop Inky. During the phishing campaign, which began in October 2021 and spiked in March 2022, the email security firm detected 1,157 phishing emails originating from NHSMail accounts that belonged to ...

  • FBI: Business Email Compromise – The $43 Billion Scam

    May 4, 2022

    This Public Service Announcement is an update and companion piece to Business Email Compromise PSA I-091019-PSA posted on www.ic3.gov. This PSA includes new Internet Crime Complaint Center complaint information and updated statistics from October 2013 to December 2021. DEFINITION Business Email Compromise/Email Account Compromise (BEC/EAC) is a sophisticated scam that targets both businesses and individuals who perform ...

  • A new secret stash for “fileless” malware

    May 4, 2022

    In February 2022 we observed the technique of putting the shellcode into Windows event logs for the first time “in the wild” during the malicious campaign. It allows the “fileless” last stage Trojan to be hidden from plain sight in the file system. Such attention to the event logs in the campaign isn’t limited to ...