CVE-2002-0820 - FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been

CVE-2002-0820

Summary

FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain privileges.

References

Vulnerable Configurations

cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*

CVSS

Base:	7.2 (as of 18-10-2016 - 02:22)
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

bugtraq	20020819 Freebsd FD exploit
freebsd	FreeBSD-SA-02:23
misc	http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&frame=right&th=d429cd2ef1d3a2b7&seekm=ai6c0q%242289%241%40FreeBSD.csie.NCTU.edu.tw#link16
vulnwatch	20020731 [VulnWatch] FreeBSD <=4.6 kernel problems, yet Linux and *BSD much better than Windows

Last major update

18-10-2016 - 02:22

Published

12-08-2002 - 04:00

Last modified

18-10-2016 - 02:22