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.
Advisories
Source ID Title
EUVD 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

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

Link: CVE-1999-1021

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

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

Modified: 2025-04-03T01:03:51.193

Link: CVE-1999-1021

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.