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.
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History
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-07T12:50:34.399Z
Reserved: 2007-03-02T00:00:00
Link: CVE-2007-1189

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Status : Deferred
Published: 2007-03-02T21:18:00.000
Modified: 2025-04-09T00:30:58.490
Link: CVE-2007-1189

No data.