SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-20990

Arbitrary file overwrite can occur via a symlink or hardlink in a TAR archive.

HIGH 7.5EPSS 1.68%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.68%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.68% probability · 76th percentile
CISA KEV
Not listed
Weakness
CWE-59
Affected
tar project/tar
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.