CVE-2002-0820

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.

CVSS v2.0 7.2 HIGH

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0047.html	Vendor Advisory
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:23.stdio.asc
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
http://marc.info/?l=bugtraq&m=102979180524452&w=2

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Configurations

Configuration 1 (hide)

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

Information

Published : 2002-08-11 21:00

Updated : 2016-10-17 19:22

NVD link : CVE-2002-0820

Mitre link : CVE-2002-0820

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

freebsd

freebsd

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