CVE-2007-1189

CVE-2007-1189 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

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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