CVE-2018-20835
Improper Input Validation in tar-fs
7.5
HIGH
CVSS 3.1
EPSS 0.18%
Description
A vulnerability was found in tar-fs before 1.16.2. An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content.
How to fix CVE-2018-20835
To remediate CVE-2018-20835, upgrade the affected package to a fixed version below.
- —upgrade to 1.16.2 or later
Is CVE-2018-20835 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.16.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |