Debian DSA-6526:dovecot-auth-lua - 安全更新

critical Nessus 插件 ID 350920

简介

远程 Debian 主机上缺少一个或多个与安全性相关的更新。

描述

远程 Debian 13 主机上存在安装的程序包,该程序包受到 dsa-6526 公告中提及的多个漏洞的影响。

- ------------------------------------------------------------------------- Debian 安全公告 [email protected] DSA-6526-1https://www.debian.org/security/Moritz Muehlenhoff 2026 年 9 月 28 日 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

程序包:dovecot CVE ID: CVE-2026-27852 CVE-2026-33263 CVE-2026-33604 CVE-2026-33605 CVE-2026-33606 CVE-2026-33607 CVE-2026-40013 CVE-2026-40014 CVE-2026-40015 CVE-2026-40017 CVE-2026-40018 CVE-2026-40203 CVE-2026-40204 CVE-2026-40205 CVE-2026-42007 CVE-2026-42008 CVE-2026-42391 CVE-2026-42392 CVE-2026-42393 CVE-2026-42394 CVE-2026-42395 CVE-2026-52681 CVE-2026-52687 CVE-2026-73208 CVE-2026-73209 Debian 缺陷:1144639

在 Dovecot IMAP 服务器中发现多个漏洞,可导致拒绝服务、SMTP 走私、信息泄露、通过格式错误的 Sieve 脚本进行的代码注入或绕过 ACL 限制。

对于稳定发行版本 (trixie),已在版本 1:2.4.1+dfsg1-6+deb13u7 中修复这些问题。

我们建议您升级 dovecot 程序包。

如需了解 dovecot 的详细安全状态,请参阅其安全跟踪页面:
https://security-tracker.debian.org/tracker/dovecot

有关 Debian 安全公告、如何将这些更新应用到系统以及常见问题解答的更多信息,请访问以下网址:https://www.debian.org/security/

邮件列表:[email protected]

Tenable 已直接从 Debian 安全公告中提取上述描述块。

请注意,Nessus 尚未测试这些问题,而是只依据应用程序自我报告的版本号进行判断。

解决方案

升级 dovecot-auth-lua 程序包。

另见

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

https://security-tracker.debian.org/tracker/CVE-2026-27852

https://security-tracker.debian.org/tracker/CVE-2026-33263

https://security-tracker.debian.org/tracker/CVE-2026-33604

https://security-tracker.debian.org/tracker/CVE-2026-33605

https://security-tracker.debian.org/tracker/CVE-2026-33606

https://security-tracker.debian.org/tracker/CVE-2026-33607

https://security-tracker.debian.org/tracker/CVE-2026-40013

https://security-tracker.debian.org/tracker/CVE-2026-40014

https://security-tracker.debian.org/tracker/CVE-2026-40015

https://security-tracker.debian.org/tracker/CVE-2026-40017

https://security-tracker.debian.org/tracker/CVE-2026-40018

https://security-tracker.debian.org/tracker/CVE-2026-40203

https://security-tracker.debian.org/tracker/CVE-2026-40204

https://security-tracker.debian.org/tracker/CVE-2026-40205

https://security-tracker.debian.org/tracker/CVE-2026-42007

https://security-tracker.debian.org/tracker/CVE-2026-42008

https://security-tracker.debian.org/tracker/CVE-2026-42391

https://security-tracker.debian.org/tracker/CVE-2026-42392

https://security-tracker.debian.org/tracker/CVE-2026-42393

https://security-tracker.debian.org/tracker/CVE-2026-42394

https://security-tracker.debian.org/tracker/CVE-2026-42395

https://security-tracker.debian.org/tracker/CVE-2026-52681

https://security-tracker.debian.org/tracker/CVE-2026-52687

https://security-tracker.debian.org/tracker/CVE-2026-73208

https://security-tracker.debian.org/tracker/CVE-2026-73209

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

插件详情

严重性: Critical

ID: 350920

文件名: debian_DSA-6526.nasl

版本: 1.1

类型: Local

代理: unix

发布时间: 2026/9/29

最近更新时间: 2026/9/29

支持的传感器: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

风险信息

VPR

风险因素: Medium

分数: 5

百分位: 93.3

CVSS v2

风险因素: High

基本分数: 8

时间分数: 5.9

矢量: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:C

CVSS 分数来源: CVE-2026-42007

CVSS v3

风险因素: Critical

基本分数: 9.1

时间分数: 7.9

矢量: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H

时间矢量: CVSS:3.0/E:U/RL:O/RC:C

漏洞信息

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

必需的 KB 项: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

易利用性: No known exploits are available

补丁发布日期: 2026/9/28

漏洞发布日期: 2026/8/28

参考资料信息

CVE: CVE-2026-27852, CVE-2026-33263, CVE-2026-33604, CVE-2026-33605, CVE-2026-33606, CVE-2026-33607, CVE-2026-40013, CVE-2026-40014, CVE-2026-40015, CVE-2026-40017, CVE-2026-40018, CVE-2026-40203, CVE-2026-40204, CVE-2026-40205, CVE-2026-42007, CVE-2026-42008, CVE-2026-42391, CVE-2026-42392, CVE-2026-42393, CVE-2026-42394, CVE-2026-42395, CVE-2026-52681, CVE-2026-52687, CVE-2026-73208, CVE-2026-73209