A design flaw in the Z-Modem protocol allows the remote sender of a file to execute arbitrary programs on the client, as implemented in rz in the rzsz module of FreeBSD before 2.1.5, and possibly other programs.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | * | 2.1.5 (including) |
References
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.asc
- http://ciac.llnl.gov/ciac/bulletins/g-31.shtml
- http://www.iss.net/security_center/static/7540.php
- ftp://ftp.FreeBSD.org/pub/FreeBSD/CERT/advisories/old/FreeBSD-SA-96:17.rzsz.asc
- http://ciac.llnl.gov/ciac/bulletins/g-31.shtml
- http://www.iss.net/security_center/static/7540.php