linprocfs on FreeBSD 4.3 and earlier does not properly restrict access to kernel memory, which allows one process with debugging rights on a privileged process to read restricted memory from that process.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 4.0 (including) | 4.0 (including) |
| Freebsd | Freebsd | 4.1 (including) | 4.1 (including) |
| Freebsd | Freebsd | 4.2 (including) | 4.2 (including) |
| Freebsd | Freebsd | 4.3 (including) | 4.3 (including) |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:55.procfs.asc
- http://www.iss.net/security_center/static/7017.php
- http://www.osvdb.org/1938
- http://www.securityfocus.com/bid/3217
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:55.procfs.asc
- http://www.iss.net/security_center/static/7017.php
- http://www.osvdb.org/1938
- http://www.securityfocus.com/bid/3217