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

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

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

Updated: 2017-10-10T00:57:01

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


Link: CVE-2007-1189

JSON object: View

cve-icon NVD Information

Status : Modified

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

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


Link: CVE-2007-1189

JSON object: View

cve-icon Redhat Information

No data.