#VU10372 Authentication bypass in Dovecot - CVE-2013-6171
Published: February 1, 2018 / Updated: February 5, 2018
Vulnerability identifier: #VU10372
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-6171
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Dovecot
Dovecot
Software vendor:
Dovecot
Dovecot
Description
The vulnerability allows a local attacker to bypass authentication on the target system.
The weakness exists due to checkpassword-reply performs setuid operations. A local attacker can attach to the process and use a restricted file descriptor to modify account information in the response to the dovecot-auth server, bypass authentication and access virtual email accounts.
The weakness exists due to checkpassword-reply performs setuid operations. A local attacker can attach to the process and use a restricted file descriptor to modify account information in the response to the dovecot-auth server, bypass authentication and access virtual email accounts.
Remediation
Update to version 2.2.7.