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plan9 internal kernel structures overwrite
Published:28.02.2007
Source:
SecurityVulns ID:7319
Type:local
Threat Level:
5/10
Description:OTRUNC/pwrite resource allows to overwrite internal kernel structures.
Affected:BELL : Plan 9 4.0
CVE:CVE-2007-1189 (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.)
Files:plan 9 identity theft

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