telnetd in FreeBSD 4.2 and earlier, and possibly other operating systems, allows remote attackers to cause a denial of service by specifying an arbitrary large file in the TERMCAP environmental variable, which consumes resources as the server processes the file.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 3.0 (including) | 3.0 (including) |
| Freebsd | Freebsd | 3.5.1-stable (including) | 3.5.1-stable (including) |
| Freebsd | Freebsd | 4.0 (including) | 4.0 (including) |
| Freebsd | Freebsd | 4.1 (including) | 4.1 (including) |
| Freebsd | Freebsd | 4.1.1 (including) | 4.1.1 (including) |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:69.telnetd.v1.1.asc
- http://www.osvdb.org/6083
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5959
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:69.telnetd.v1.1.asc
- http://www.osvdb.org/6083
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5959