#VU47656 Out-of-bounds read in F2fs.Fsck - CVE-2020-6104 

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Main Vulnerability Database Vulnerabilities #VU47656

#VU47656 Out-of-bounds read in F2fs.Fsck - CVE-2020-6104

Published: October 15, 2020


Vulnerability identifier: #VU47656
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-6104
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
F2fs.Fsck
Software vendor:
F2fs-Tools

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the "get_dnode_of_data" functionality. A local administrator can use a specially crafted f2fs filesystem, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

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

External links