External Control of File Name or Path in F2fs.Fsck - CVE-2020-6105

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Main Vulnerability Database Vulnerabilities #VU47657

External Control of File Name or Path in F2fs.Fsck - CVE-2020-6105

Published: October 15, 2020


Vulnerability identifier: #VU47657
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-6105
CWE-ID: CWE-73
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: F2fs-Tools
Affected software:
F2fs.Fsck

Detailed vulnerability description

The vulnerability allows a local user to delete arbitrary files.

The vulnerability exists due to application allows an attacker to control path of the files to delete in the multiple devices functionality. A local administrator can use a specially crafted f2fs filesystem and delete arbitrary files on the system, leading to arbitrary code execution.


How to mitigate CVE-2020-6105

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources