RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to bypass the Mark-Of-The-Web protection mechanism on affected installations of RARLAB WinRAR. User interaction is required to exploit this vulnerability in that the target must perform a specific action on a malicious page.
The specific flaw exists within the archive extraction functionality. A crafted archive entry can cause the creation of an arbitrary file without the Mark-Of-The-Web. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current user.
Additional Details
RARLAB has issued an update to correct this vulnerability. More details can be found at:
https://www.rarlab.com/rarnew.htm#27.%20Busgs%20fixed
Disclosure Timeline
- 2024-02-22 - Vulnerability reported to vendor
- 2024-04-01 - Coordinated public release of advisory
- 2024-07-01 - Advisory Updated
Credit
Orange Tsai(@orange.8361) and NiNi (@terrynini38514) from DEVCORE Research Team
