CVE-2007-1189 - Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local

CVE-2007-1189

Summary

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.

References

http://kernelspace.us/itheft.c
http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.html
http://osvdb.org/34956
http://www.securityfocus.com/bid/22749
https://www.exploit-db.com/exploits/3383

Vulnerable Configurations

cpe:2.3:o:bell_labs:plan_9:*:*:*:*:*:*:*:*
cpe:2.3:o:bell_labs:plan_9:*:*:*:*:*:*:*:*

CVSS

Base:	7.2 (as of 11-10-2017 - 01:31)
Impact:
Exploitability:

CWE

NVD-CWE-Other

CAPEC

Access

Vector	Complexity	Authentication
LOCAL	LOW	NONE

Impact

Confidentiality	Integrity	Availability
COMPLETE	COMPLETE	COMPLETE

cvss-vector via4

AV:L/AC:L/Au:N/C:C/I:C/A:C

refmap via4

bid	22749
exploit-db	3383
misc	http://kernelspace.us/itheft.c
mlist	[dailydave] 20070227 Wow, free kernel zero day?
osvdb	34956

Last major update

11-10-2017 - 01:31

Published

02-03-2007 - 21:18

Last modified

11-10-2017 - 01:31