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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2007-03-02T19:00:00

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 : Modified

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

Modified: 2017-10-11T01:31:46.610

Link: CVE-2007-1189

cve-icon Redhat

No data.