Description
ProFTPD 1.2.2rc2, and possibly other versions, does not properly verify reverse-resolved hostnames by performing forward resolution, which allows remote attackers to bypass ACLs or cause an incorrect client hostname to be logged.
References
- 20010907 ProFTPd and reverse DNS mailing-list
- 3310 vdb-entry
- MDKSA-2002:005 vendor-advisory
- CLA-2002:450 vendor-advisory
- proftpd-unresolved-hostname(7126) vdb-entry