CVE-2021-28904 - Vulnerability Details - OpenCVE

Description

In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

Published: 2021-05-20

Score: 7.5 High

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:cesnet:libyang:*:*:*:*:*:*:*:*

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-2021-15557	In function ext_get_plugin() in libyang <= v1.0.225, it doesn't check whether the value of revision is NULL. If revision is NULL, the operation of strcmp(revision, ext_plugins[u].revision) will lead to a crash.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00405.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/CESNET/libyang/issues/1451
https://nvd.nist.gov/vuln/detail/CVE-2021-28904
https://security.gentoo.org/glsa/202107-54
https://www.cve.org/CVERecord?id=CVE-2021-28904

History

No history.

Subscriptions

Cesnet Libyang

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-05-20T18:36:27.000Z

Updated: 2024-08-03T21:55:12.144Z

Reserved: 2021-03-19T00:00:00.000Z

Link: CVE-2021-28904

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-05-20T19:15:07.673

Modified: 2024-11-21T06:00:22.597

Link: CVE-2021-28904

Redhat

Severity : Moderate

Publid Date: 2021-03-07T00:00:00Z

Links: CVE-2021-28904 - Bugzilla

OpenCVE Enrichment

No data.

Weaknesses

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