Description (CNA)
checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://cpanel.net/tsr-2013-0010-full-disclosure/
- http://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security
- https://usn.ubuntu.com/3556-2/
- http://secunia.com/advisories/54808
- http://www.dovecot.org/list/dovecot-news/2013-November/000264.html
ADP enrichment
No English description supplied.