CVE-2009-3897

Publication date 24 November 2009

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Dovecot 1.2.x before 1.2.8 sets 0777 permissions during creation of certain directories at installation time, which allows local users to access arbitrary user accounts by replacing the auth socket, related to the parent directories of the base_dir directory, and possibly the base_dir directory itself.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
dovecot	9.10 karmic	Not affected
	9.04 jaunty	Not affected
	8.10 intrepid	Not affected
	8.04 LTS hardy	Not affected
	6.06 LTS dapper	Not affected

Notes

mdeslaur

only affects 1.2.x

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

Parameter	Value
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality impact	High
Integrity impact	None
Availability impact	None

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N