Auth bypass in Dovecot
CVE-2013-6171
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.
Vulnerability class: Broken Authentication
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
Affected products
- Dovecot — versions 2.0, 2.0.0, 2.0.1
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Patch)