Linux Distros 未修补的漏洞:CVE-2026-84837

high Nessus 插件 ID 342382

简介

Linux/Unix 主机上安装的一个或多个程序包存在漏洞,但供应商表示不会修补此漏洞。

描述

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响,而供应商没有提供补丁程序。

- 在 rpm 中发现一个缺陷。攻击者可通过影响由“rpmbuild -t*”处理的 tarball 的路径或文件名来利用命令注入漏洞,从而包含 shell 元字符。这在摄取外部提供的构件名称的自动生成或持续集成 (CI) 工作流中尤其重要。成功利用允许以构建用户的权限执行任意命令,可导致信息泄露或构建环境中断。
(CVE-2026-84837)

请注意,Nessus 依赖供应商报告的程序包是否存在进行判断。

解决方案

目前尚未有任何已知的解决方案。

另见

https://access.redhat.com/security/cve/cve-2026-84837

https://security-tracker.debian.org/tracker/CVE-2026-84837

https://ubuntu.com/security/CVE-2026-84837

插件详情

严重性: High

ID: 342382

文件名: unpatched_CVE_2026_84837.nasl

版本: 1.4

类型: Local

代理: unix

系列: Misc.

发布时间: 2026/9/2

最近更新时间: 2026/9/4

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

风险信息

VPR

风险因素: Medium

分数: 4.9

百分位: 58.17

CVSS v2

风险因素: High

基本分数: 9

时间分数: 7.7

矢量: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS 分数来源: CVE-2026-84837

CVSS v3

风险因素: High

基本分数: 7.8

时间分数: 7.1

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

时间矢量: CVSS:3.0/E:U/RL:U/RC:C

漏洞信息

CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:rpm, p-cpe:/a:centos:centos:python3-rpm, p-cpe:/a:centos:centos:rpm-apidocs, p-cpe:/a:centos:centos:rpm-build-libs, p-cpe:/a:centos:centos:rpm-build, p-cpe:/a:centos:centos:rpm-cron, p-cpe:/a:centos:centos:rpm-devel, p-cpe:/a:centos:centos:rpm-libs, p-cpe:/a:centos:centos:rpm-plugin-audit, p-cpe:/a:centos:centos:rpm-plugin-dbus-announce, p-cpe:/a:centos:centos:rpm-plugin-fapolicyd, p-cpe:/a:centos:centos:rpm-plugin-ima, p-cpe:/a:centos:centos:rpm-plugin-prioreset, p-cpe:/a:centos:centos:rpm-plugin-selinux, p-cpe:/a:centos:centos:rpm-plugin-syslog, p-cpe:/a:centos:centos:rpm-plugin-systemd-inhibit, p-cpe:/a:centos:centos:rpm-python, p-cpe:/a:centos:centos:rpm-sign-libs, p-cpe:/a:centos:centos:rpm-sign, p-cpe:/a:centos:centos:rpm, p-cpe:/a:debian:debian_linux:rpm, p-cpe:/a:redhat:enterprise_linux:python3-rpm, p-cpe:/a:redhat:enterprise_linux:rpm-apidocs, p-cpe:/a:redhat:enterprise_linux:rpm-build-libs, p-cpe:/a:redhat:enterprise_linux:rpm-build, p-cpe:/a:redhat:enterprise_linux:rpm-cron, p-cpe:/a:redhat:enterprise_linux:rpm-devel, p-cpe:/a:redhat:enterprise_linux:rpm-libs, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-audit, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-dbus-announce, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-fapolicyd, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-ima, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-prioreset, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-selinux, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-syslog, p-cpe:/a:redhat:enterprise_linux:rpm-plugin-systemd-inhibit, p-cpe:/a:redhat:enterprise_linux:rpm-python, p-cpe:/a:redhat:enterprise_linux:rpm-sign-libs, p-cpe:/a:redhat:enterprise_linux:rpm-sign, p-cpe:/a:redhat:enterprise_linux:rpm

必需的 KB 项: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

易利用性: No known exploits are available

漏洞发布日期: 2026/9/2

参考资料信息

CVE: CVE-2026-84837