CVE-2007-1189

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.

Primary references

• cve@mitre.org — Exploit
• cve@mitre.org — Exploit
• cve@mitre.org
• cve@mitre.org — Exploit
• cve@mitre.org
• af854a3a-2127-422b-91ae-364da2661108 — Exploit
• af854a3a-2127-422b-91ae-364da2661108 — Exploit
• af854a3a-2127-422b-91ae-364da2661108
• af854a3a-2127-422b-91ae-364da2661108 — Exploit
• af854a3a-2127-422b-91ae-364da2661108