| Package | Affected versions | Patched versions |
|---|---|---|
| dovecot | = 2.0= 2.0.0= 2.0.1= 2.0.10= 2.0.11= 2.0.12= 2.0.13= 2.0.14= 2.0.15= 2.0.2= 2.0.3= 2.0.4= 2.0.5= 2.0.6= 2.0.7= 2.0.8= 2.0.9= 2.1= 2.1.0= 2.1.1= 2.1.10= 2.1.11= 2.1.12= 2.1.13= 2.1.14= 2.1.15= 2.1.2= 2.1.3= 2.1.4= 2.1.5= 2.1.6= 2.1.7= 2.2= 2.2.0= 2.2.1= 2.2.2= 2.2.3= 2.2.4= 2.2.5≤ 2.2.6 |
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.
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