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Debian dsa-6019 : dovecot-auth-lua - security update

high Nessus Plugin ID 266605

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6019 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6019-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso October 05, 2025 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : dovecot Debian Bug : 1115474 1115964

 A flaw with the authentication cache management was discovered in the Dovecot email server, which could result in users being logged in as the wrong user in certain configurations.

 For the stable distribution (trixie), this problem has been fixed in version 1:2.4.1+dfsg1-6+deb13u1.

 We recommend that you upgrade your dovecot packages.

 For the detailed security status of dovecot please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/dovecot

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the dovecot-auth-lua packages.

See Also

https://security-tracker.debian.org/tracker/source-package/dovecot

https://packages.debian.org/source/trixie/dovecot

Plugin Details

Severity: High

ID: 266605

File Name: debian_DSA-6019.nasl

Version: 1.1

Type: local

Agent: unix

Published: 10/5/2025

Updated: 10/5/2025

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:dovecot-ldap, p-cpe:/a:debian:debian_linux:dovecot-sqlite, p-cpe:/a:debian:debian_linux:dovecot-pop3d, p-cpe:/a:debian:debian_linux:dovecot-gssapi, p-cpe:/a:debian:debian_linux:dovecot-managesieved, p-cpe:/a:debian:debian_linux:dovecot-flatcurve, p-cpe:/a:debian:debian_linux:dovecot-sieve, p-cpe:/a:debian:debian_linux:dovecot-mysql, p-cpe:/a:debian:debian_linux:dovecot-lmtpd, p-cpe:/a:debian:debian_linux:dovecot-submissiond, cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:dovecot-dev, p-cpe:/a:debian:debian_linux:dovecot-auth-lua, p-cpe:/a:debian:debian_linux:dovecot-solr, p-cpe:/a:debian:debian_linux:dovecot-imapd, p-cpe:/a:debian:debian_linux:dovecot-pgsql, p-cpe:/a:debian:debian_linux:dovecot-core

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2025

Vulnerability Publication Date: 10/5/2025