VulnerabilityModified
CVE-2021-29136
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.
MEDIUM 5.5EPSS 0.34%
Does this matter?
Lower severity and a low EPSS score (0.34%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 0.34% probability · 28th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- linuxfoundation/umoci · sylabs/singularity
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2021/04/06/2Mailing List, Patch, Third Party Advisory
- https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57Patch, Third Party Advisory
- https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9vThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/06/2Mailing List, Patch, Third Party Advisory
- https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57Patch, Third Party Advisory
- https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9vThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.