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CVE-2020-6070

HIGHCVSS 7.8/10EPSS 1.73%

Last modified

CVE-2020-6070 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability
1.73%

74.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F2fs-Tools ProjectF2fs-Tools1.12.0
FedoraprojectFedora33

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2020-6070?
CVE-2020-6070 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.
How do I fix CVE-2020-6070?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-6070?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST