CVE-2021-29136
Improper input validation in umoci in github.com/opencontainers/umoci
5.5
MEDIUM
CVSS 3.1
EPSS 0.07%
Description
Open Container Initiative umoci before 0.4.7 allows attackers to overwrite arbitrary host paths via a crafted image that causes symlink traversal when "umoci unpack" or "umoci raw unpack" is used.
How to fix CVE-2021-29136
To remediate CVE-2021-29136, upgrade the affected package to a fixed version below.
- Debian/umoci—upgrade to 0.4.7+ds-1 or later
- —upgrade to 0.4.7 or later
- —upgrade to 0.4.7 or later
Is CVE-2021-29136 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 0.4.7+ds-1
- from 0, < 0.4.7
- from 0, < 0.4.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |