CVE-2021-43413 - Vulnerability Details - OpenCVE

Description

An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.

Published: 2021-11-07

Score: 8.8 High

EPSS: 1.1% 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:gnu:hurd:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-30348	An issue was discovered in GNU Hurd before 0.9 20210404-9. A single pager port is shared among everyone who mmaps a file, allowing anyone to modify any files that they can read. This can be trivially exploited to get full root access.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.01063.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://lists.gnu.org/archive/html/bug-hurd/2002-11/msg00263.html
https://lists.gnu.org/archive/html/bug-hurd/2005-06/msg00191.html
https://lists.gnu.org/archive/html/bug-hurd/2021-05/msg00079.html
https://www.mail-archive.com/bug-hurd%40gnu.org/msg32113.html

History

No history.

Subscriptions

Gnu Hurd

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-11-07T17:06:59.000Z

Updated: 2024-08-04T03:55:28.558Z

Reserved: 2021-11-07T00:00:00.000Z

Link: CVE-2021-43413

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-07T18:15:07.783

Modified: 2024-11-21T06:29:11.697

Link: CVE-2021-43413

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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