CVE-2007-1189
Last modified
CVE-2007-1189 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Bell Labs | Plan 9 | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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