Vulnerability · Published Apr 2, 2024 · Assigned by zdi

CVE-2024-30370RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability

Medium 4.3

In plain English

A medium-severity security flaw in WinRAR from RARLAB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 67% of all known vulnerabilities).

Severity (CVSS 3.0)4.3Medium

Exploit odds (30 days)1.2%top 32.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

RARLAB WinRAR Mark-Of-The-Web Bypass Vulnerability. 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. Was ZDI-CAN-23156.

Affected products (as reported)

Vendor	Product	Versions
RARLAB	WinRAR	7.00 beta 4 (64-bit)

Weakness: CWE-693 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

ZDI-24-357 x_research-advisory
vendor-provided URL vendor-advisory