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CVE-2013-6171

5.8 · MEDIUM

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 attach…

Published Dec 9, 2013dovecotCWE-287EPSS 1.46%

Overview

CVE-2013-6171 is a medium-severity vulnerability affecting dovecot dovecot. It was published on December 9, 2013 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories and patches from dovecot. Update dovecot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
dovecotdovecot0Affected

References

Refcpanel.net/tsr-2013-0010-full-disclosure/Refsecunia.com/advisories/54808Refwiki2.dovecot.org/AuthDatabase/CheckPassword#SecurityRefwww.dovecot.org/list/dovecot-news/2013-November/000264.htmlRefusn.ubuntu.com/3556-2/Refcpanel.net/tsr-2013-0010-full-disclosure/Refsecunia.com/advisories/54808Refwiki2.dovecot.org/AuthDatabase/CheckPassword#SecurityRefwww.dovecot.org/list/dovecot-news/2013-November/000264.htmlRefusn.ubuntu.com/3556-2/

How CyberStrike helps

Frequently asked questions

What is CVE-2013-6171?

CVE-2013-6171 is a medium-severity vulnerability affecting dovecot dovecot. It was published on December 9, 2013 and has a CVSS 2.0 base score of 5.8 (MEDIUM).

How severe is CVE-2013-6171?

This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-6171?

Check the references section for vendor advisories and patches from dovecot. Update dovecot to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2013-6171?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-6171 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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