CVE-2021-29136

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Published Apr 6, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:linuxfoundation:umoci::::::::
	cpe:2.3:a:sylabs:singularity::::::::

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-0942	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.
Github GHSA	GHSA-9m95-8hx6-7p9v	Improper input validation in umoci

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.344% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/04/06/2
https://github.com/opencontainers/umoci/commit/d9efc31daf2206f7d3fdb839863cf7a576a2eb57
https://github.com/opencontainers/umoci/security/advisories/GHSA-9m95-8hx6-7p9v

History

No history.

Subscriptions

Linuxfoundation Umoci

Sylabs Singularity

Weaknesses

CWE-20

Sources

CVE record Updated: Aug 3, 2024, 10:02 PM

Status: PUBLISHED
Assigner: mitre
Published: Apr 6, 2021, 3:57 PM
Updated: Aug 3, 2024, 10:02 PM
Reserved: Mar 24, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:47 AM

Status: Modified
Published: Apr 6, 2021, 4:15 PM
Modified: Jun 17, 2026, 3:47 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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