CVE-2002-0820

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Summary

CVECVE-2002-0820
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2002-08-12 04:00:00 UTC
Updated2025-04-03 01:03:51 UTC
DescriptionFreeBSD 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.

Risk And Classification

Primary CVSS: v2.0 7.2 from [email protected]

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

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Freebsd Freebsd 4.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
'Freebsd FD exploit' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:23.stdio.asc af854a3a-2127-422b-91ae-364da2661108 ftp.freebsd.org
Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
Neohapsis Archives - VulnWatch - [VulnWatch] FreeBSD <=4.6 kernel problems, yet Linux and *BSD much better than Windows - From guninski_at_guninski.com af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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