Vulnerability · Published Aug 10, 2020 · Assigned by talos
CVE-2020-6070
Medium 6.7
In plain English
A medium-severity security flaw in F2fs-tools. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 78% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)6.7Medium
Exploit odds (30 days)1.7%top 22.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | f2fs-tools | 1.14.0-1 | DEBIAN-CVE-2020-6070 |
| Debian:13 | f2fs-tools | 1.14.0-1 | DEBIAN-CVE-2020-6070 |
| Debian:14 | f2fs-tools | 1.14.0-1 | DEBIAN-CVE-2020-6070 |
| Ubuntu:22.04:LTS | f2fs-tools | no fix listed | UBUNTU-CVE-2020-6070 |
| Ubuntu:24.04:LTS | f2fs-tools | no fix listed | UBUNTU-CVE-2020-6070 |
| Ubuntu:25.10 | f2fs-tools | no fix listed | UBUNTU-CVE-2020-6070 |
| Ubuntu:26.04:LTS | f2fs-tools | no fix listed | UBUNTU-CVE-2020-6070 |
| Ubuntu:26.10 | f2fs-tools | no fix listed | UBUNTU-CVE-2020-6070 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | F2fs-tools | F2fs-tools-1.12.0 |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-0988 x_refsource_MISC
- FEDORA-2020-a0b24e9377 vendor-advisory, x_refsource_FEDORA