- Description
- 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.
- Source
- cve@mitre.org
- NVD status
- Modified
CVSS 2.0
- Type
- Primary
- Base score
- 7.2
- Impact score
- 10
- Exploitability score
- 3.9
- Vector string
- AV:L/AC:L/Au:N/C:C/I:C/A:C
- Hype score
- Not currently trending
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{
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"cpeMatch": [
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"vulnerable": true,
"matchCriteriaId": "AAE71A47-71CF-41C2-8072-3BE9C7F37FE2"
}
],
"operator": "OR"
}
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}
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