CVE-2002-0820
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
Product
Freebsd
PublishedAug 12, 2002
First seenAug 12, 2002
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freebsd freebsd | 4.6 | — |
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