Buffer overflow in f2fs-tools - CVE-2020-6070
Published: July 28, 2020
Vulnerability identifier: #VU32866
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6070
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in "sanity_check_area_boundary" function in the file system checking functionality. A remote administrator can create a specially crafted f2fs file, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
f2fs-tools
Fedora
f2fs-tools
Fedora
f2fs-tools
How to mitigate CVE-2020-6070
Install updates from vendor's website.
f2fs-tools - update to 1.13.0
f2fs-tools - update to 1.14.0-1.fc33
f2fs-tools - update to 1.14.0-1.fc33