CVE-2021-29136 - Vulnerability Details - OpenCVE

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.

Published: 2021-04-06

Score: 5.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

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

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.

The EPSS score is 0.00146.

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

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-06T15:57:49.000Z

Updated: 2024-08-03T22:02:50.955Z

Reserved: 2021-03-24T00:00:00.000Z

Link: CVE-2021-29136

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-06T16:15:16.520

Modified: 2024-11-21T06:00:45.630

Link: CVE-2021-29136

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-20

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