CVE-2007-1189
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductBell Labs Plan
PublishedMar 2, 2007
First seenMar 2, 2007
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| bell_labs plan_9 | No range specified | — |
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