vulnerability
Ubuntu: (CVE-2021-29136): umoci vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:N/I:P/A:N) | Apr 6, 2021 | Jun 26, 2025 | Aug 18, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:P/A:N)
Published
Apr 6, 2021
Added
Jun 26, 2025
Modified
Aug 18, 2025
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.
Solution
no-fix-ubuntu-package
References
- CVE-2021-29136
- https://attackerkb.com/topics/CVE-2021-29136
- CWE-20
- URL-http://www.openwall.com/lists/oss-security/2021/04/06/2
- URL-https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57
- URL-https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v
- URL-https://www.cve.org/CVERecord?id=CVE-2021-29136
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