CVE-2020-6105

Name	CVE-2020-6105
Description	An exploitable code execution vulnerability exists in the multiple devices functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause Information overwrite resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium
Debian Bugs	973380

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
f2fs-tools (PTS)	stretch	1.7.0-1.1	vulnerable
	buster	1.11.0-1.1	vulnerable
	bookworm, sid, bullseye	1.14.0-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
f2fs-tools	source	(unstable)	1.14.0-1			973380

Notes

[buster] - f2fs-tools <no-dsa> (Minor issue)
[stretch] - f2fs-tools <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1047