Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://www.securityfocus.com/bid/22749
- https://www.exploit-db.com/exploits/3383
- http://kernelspace.us/itheft.c
- http://osvdb.org/34956
- http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.html
ADP enrichment
No English description supplied.