What is CVE-2020-6070?

CVE-2020-6070 is a high-severity vulnerability in F2fs-Tools Project, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.8/10. Published 2020-08-10.

How severe is CVE-2020-6070?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in F2fs-Tools Project

CVE-2020-6070

An exploitable code execution vulnerability exists in the file system checking functionality of fsck.f2fs 1.12.0. A specially crafted f2fs file can cause a logic flaw and out-of-bounds heap operations, resulting in code execution. An attacker can provide a malicious file to trigger this vulnerability.

EPSS: 0.017 (76.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

F2fs-tools_project F2fs-tools — versions 1.12.0
Fedoraproject Fedora — versions 33
N/a F2fs-tools — versions F2fs-tools-1.12.0

Weakness classification (CWE)

CWE-131 — Incorrect Calculation of Buffer Size

References

talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
talos-cna@cisco.com (x_refsource_FEDORA, vendor-advisory)

Frequently asked questions

What is CVE-2020-6070?: CVE-2020-6070 is a high-severity vulnerability in F2fs-Tools Project, classified under Incorrect Calculation of Buffer Size. CVSS score: 7.8/10. Published 2020-08-10.
How severe is CVE-2020-6070?: High severity. CVSS v3 base score is 7.8 out of 10.