CVE-2022-43650

Winrar vulnerability

CVSS

7.1

EPSS

23.0%

EPSS pct

98th

Exploited

No known

This vulnerability allows remote attackers to disclose sensitive information on affected installations of RARLAB WinRAR 6.11.0.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of ZIP files. Crafted data in a ZIP file can trigger a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-19232.

Affected vendor

Rarlab

Affected product

Winrar

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Weakness type (CWE)

CWE-125 — Out-of-bounds Read

Published

2023-03-29

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to availability.

Its EPSS score of 23.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2022-43650

Confirm whether Rarlab Winrar is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2022-43650.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-43650

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