Vulnerability Details : CVE-2007-1189
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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2007-1189
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ % EPSS Score History EPSS FAQ
CVSS scores for CVE-2007-1189
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
References for CVE-2007-1189
Products affected by CVE-2007-1189
- cpe:2.3:o:bell_labs:plan_9:*:*:*:*:*:*:*:*