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
Configurations
History
20 Nov 2024, 23:39
Type | Values Removed | Values Added |
---|---|---|
References | () ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:23.stdio.asc - | |
References | () http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0047.html - Vendor Advisory | |
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 - | |
References | () http://marc.info/?l=bugtraq&m=102979180524452&w=2 - |
Information
Published : 2002-08-12 04:00
Updated : 2024-11-20 23:39
NVD link : CVE-2002-0820
Mitre link : CVE-2002-0820
CVE.ORG link : CVE-2002-0820
JSON object : View
Products Affected
freebsd
- freebsd
CWE