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:

  • Powerful new Oski variant ‘Mars Stealer’ grabbing 2FAs and crypto

    February 1, 2022

    A new and powerful malware named ‘Mars Stealer’ has appeared in the wild, and appears to be a redesign of the Oski malware that shut down development abruptly in the summer of 2020. Mars Stealer is an information-stealing malware that steals data from all popular web browsers, two-factor authentication plugins, and multiple cryptocurrency extensions and wallets. Additionally, ...

  • Shell forced to reroute supplies after cyberattack on two German oil companies

    February 1, 2022

    A cyberattack on two German oil suppliers has forced energy giant Shell to reroute oil supplies to other depots, according to Reuters and the Handelsblatt newspaper. Handelsblatt was the first to report on Monday that oil companies Oiltanking and Mabanaft, both owned by German logistics conglomerate Marquard & Bahls Group, had suffered a cyberattack that crippled ...

  • Iranian APT MuddyWater targets Turkish users via malicious PDFs, executables

    January 31, 2022

    MuddyWater has conducted various campaigns against entities spread throughout the U.S.A, Europe, Middle East and South Asia. A typical TTP employed by the group is the heavy use of scripting in their infection chains using languages like PowerShell and Visual Basic coupled with the frequent use of living-off-the-land binaries (LoLBins). Cisco Talos recently observed a campaign operated ...

  • Potential for Malicious Cyber Activities to Disrupt the 2022 Beijing Winter Olympics and Paralympics

    January 31, 2022

    The FBI is warning entities associated with the February 2022 Beijing Winter Olympics and March 2022 Paralympics that cyber actors could use a broad range of cyber activities to disrupt these events. These activities include distributed denial of service (DDoS) attacks, ransomware, malware, social engineering, data theft or leaks, phishing campaigns, disinformation campaigns, or insider ...

  • NSO Group Pegasus Spyware Aims at Finnish Diplomats

    January 31, 2022

    The controversial Pegasus spyware, developed by NSO Group, has been found on the devices of Finland’s diplomatic corps serving outside the country as part of a wide-ranging espionage campaign, according to Finnish officials. They also said the infections were of the zero-click variety. “The highly sophisticated malware has infected users’ Apple or Android telephones without their noticing ...

  • Shuckworm Continues Cyber-Espionage Attacks Against Ukraine

    January 31, 2022

    he Russia-linked Shuckworm group (aka Gamaredon, Armageddon) is continuing to conduct cyber-espionage attacks against targets in Ukraine. Over the course of recent months, Symantec’s Threat Hunter Team, a part of Broadcom Software, has found evidence of attempted attacks against a number of organizations in the country. Active since at least 2013, Shuckworm specializes in cyber-espionage campaigns ...