What is CVE-2018-20990?

CVE-2018-20990 is a high-severity vulnerability in Tar_project Tar, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2019-08-26.

How severe is CVE-2018-20990?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Tar_project Tar

CVE-2018-20990

An issue was discovered in the tar crate before 0.4.16 for Rust. Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.

EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Tar_project Tar
N/a — versions n/a

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20990?: CVE-2018-20990 is a high-severity vulnerability in Tar_project Tar, classified under Improper Link Resolution Before File Access. CVSS score: 7.5/10. Published 2019-08-26.
How severe is CVE-2018-20990?: High severity. CVSS v3 base score is 7.5 out of 10.