CVE-2002-0820 | BDVDB-2026-4505 Detail

Description#

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.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

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://archives.neohapsis.com/archives/vulnwatch/2002-q3/0047.html
http://marc.info/?l=bugtraq&m=102979180524452&w=2

Exploit#

No public exploit known

History#

Version 12002-08-02Record published in the CVE List.
Version 22024-08-08Most recent update recorded in the CVE List.