Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.
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: 2024-08-07T12:50:34.399Z

Reserved: 2007-03-02T00:00:00

Link: CVE-2007-1189

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2007-03-02T21:18:00.000

Modified: 2025-04-09T00:30:58.490

Link: CVE-2007-1189

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.