Unscored severity · published Aug 12, 2002
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…
–
CVSS
0.4%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
Freebsd · Freebsd
4.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2002-0820
CVE.org
https://www.cve.org/CVERecord?id=CVE-2002-0820
Vendor Advisory
http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0047.html
groups.google.com
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
marc.info
http://marc.info/?l=bugtraq&m=102979180524452&w=2
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