CVE-1999-1021 - Vulnerability Details - OpenCVE

Description

NFS on SunOS 4.1 through 4.1.2 ignores the high order 16 bits in a 32 bit UID, which allows a local user to gain root access if the lower 16 bits are set to 0, as fixed by the NFS jumbo patch upgrade.

Published: 2002-03-09

Score: 7.2 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 [-]

OR	cpe:2.3:o:sun:sunos:4.1:::::::*
	cpe:2.3:o:sun:sunos:4.1.1:::::::*
	cpe:2.3:o:sun:sunos:4.1.2:::::::*

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-1999-1002	NFS on SunOS 4.1 through 4.1.2 ignores the high order 16 bits in a 32 bit UID, which allows a local user to gain root access if the lower 16 bits are set to 0, as fixed by the NFS jumbo patch upgrade.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00622.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/117&type=0&nav=sec.sba
http://www.cert.org/advisories/CA-1992-15.html
http://www.securityfocus.com/bid/47
https://exchange.xforce.ibmcloud.com/vulnerabilities/82

History

No history.

Subscriptions

Sun Sunos

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2002-03-09T05:00:00.000Z

Updated: 2024-08-01T16:55:29.374Z

Reserved: 2001-08-31T00:00:00.000Z

Link: CVE-1999-1021

Vulnrichment

No data.

NVD

Status : Modified

Published: 1992-12-30T05:00:00.000

Modified: 2026-04-16T00:27:16.627

Link: CVE-1999-1021

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-Other

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