CVE-2020-6107

NameCVE-2020-6107
DescriptionAn exploitable information disclosure vulnerability exists in the dev_read functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can cause an uninitialized read resulting in an information disclosure. An attacker can provide a malicious file to trigger this vulnerability.
SourceCVE (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 severitymedium
Debian Bugs973380

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
f2fs-tools (PTS)stretch1.7.0-1.1vulnerable
buster1.11.0-1.1vulnerable
bullseye, sid1.14.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
f2fs-toolssource(unstable)1.14.0-1973380

Notes

[buster] - f2fs-tools <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1049
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