CVE-2021-29136
Publication date 6 April 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
umoci | 24.10 oracular |
Not affected
|
24.04 LTS noble |
Not affected
|
|
22.04 LTS jammy |
Vulnerable
|
|
20.04 LTS focal |
Vulnerable
|
|
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score |
|
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
References
Other references
- https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v
- https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57 (v0.4.7)
- http://www.openwall.com/lists/oss-security/2021/04/06/2
- https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57
- https://www.cve.org/CVERecord?id=CVE-2021-29136