CVE-2021-30027 - Vulnerability Details - OpenCVE

Description

md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document.

Published: 2021-04-29

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 [-]

cpe:2.3:a:md4c_project:md4c:0.4.7:*:*:*:*:*:*:*

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-2021-16971	md_analyze_line in md4c.c in md4c 0.4.7 allows attackers to trigger use of uninitialized memory, and cause a denial of service via a malformed Markdown document.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00266.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/mity/md4c/commit/4fc808d8fe8d8904f8525bb4231d854f45e23a19
https://github.com/mity/md4c/issues/155

History

No history.

Subscriptions

Md4c Project Md4c

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-29T14:29:19.000Z

Updated: 2024-08-03T22:24:59.154Z

Reserved: 2021-04-02T00:00:00.000Z

Link: CVE-2021-30027

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-29T15:15:11.020

Modified: 2024-11-21T06:03:14.380

Link: CVE-2021-30027

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-908

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