Vulnerability identifier: #VU45027

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2011-2167

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Dovecot
Server applications / Mail servers

Vendor: Dovecot

Description

The vulnerability allows a remote #AU# to read and manipulate data.

script-login in Dovecot 2.0.x before 2.0.13 does not follow the chroot configuration setting, which might allow remote authenticated users to conduct directory traversal attacks by leveraging a script.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Dovecot: 2.0.0 - 2.0.12

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External links
http://dovecot.org/pipermail/dovecot/2011-May/059085.html
http://openwall.com/lists/oss-security/2011/05/18/4
http://rhn.redhat.com/errata/RHSA-2013-0520.html
http://secunia.com/advisories/52311
http://www.dovecot.org/doc/NEWS-2.0
http://www.securityfocus.com/bid/48003
http://exchange.xforce.ibmcloud.com/vulnerabilities/67674

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.