[Secure-testing-team] Bug#860049: dovecot: CVE-2017-2669

[Salvatore Bonaccorso]

Source: dovecot
Version: 1:2.2.13-11
Severity: important
Tags: security upstream patch
Control: fixed -1 1:2.2.13-12~deb8u2

Hi,

the following vulnerability was published for dovecot.

CVE-2017-2669[0]:
|passdb/userdb dict: Don't double-expand %variables in keys. If dict
|was used as the authentication passdb, using specially crafted
|%variables in the username could be used to cause DoS

If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2017-2669
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2669

Regards,
Salvatore