Improper Authentication Affecting dovecot package, versions [,2.2.7)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.19% (58th percentile)

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  • Snyk IDSNYK-UNMANAGED-DOVECOT-2381757
  • published26 Jan 2022
  • disclosed9 Dec 2013
  • creditUnknown

Introduced: 9 Dec 2013

CVE-2013-6171  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade dovecot to version 2.2.7 or higher.

Overview

Affected versions of this package are vulnerable to Improper Authentication 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.

References

CVSS Scores

version 3.1