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CVE-2019-3689— nfs-utils: root-owned files stored in insecure /var/lib/nfs directory

Quick assessment

Affected
SUSE SUSE Linux Enterprise Server 12
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Micro Focus SUSE Linux Enterprise Server是英国Micro Focus公司的一套企业服务器版Linux操作系统。nfs-utils是使用在其中的一个用于管理NFS（网络文件系统）的实用程序。 SUSE Linux Enterprise Server 12 1.3.0-34.18.1及之前版本和15 2.1.1-6.10.2及之前版本中的nfs-utils包存在安全漏洞。攻击者可利用该漏洞在系统的任意位置创建/覆盖文件。

CVSS 5.1 · Medium EPSS 1.52% · P74

Possible ATT&CK Techniques 2 AI

T1561 · Disk Wipe T1083.004
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I. Basic Information for CVE-2019-3689

Vulnerability Information
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Vulnerability Title
nfs-utils: root-owned files stored in insecure /var/lib/nfs directory
Source: CVE Program / CVE List V5
Vulnerability Description
The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before and including version 2.1.1-6.10.2 the directory /var/lib/nfs is owned by statd:nogroup. This directory contains files owned and managed by root. If statd is compromised, it can therefore trick processes running with root privileges into creating/overwriting files anywhere on the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Micro Focus SUSE Linux Enterprise Server nfs-utils 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Micro Focus SUSE Linux Enterprise Server是英国Micro Focus公司的一套企业服务器版Linux操作系统。nfs-utils是使用在其中的一个用于管理NFS（网络文件系统）的实用程序。 SUSE Linux Enterprise Server 12 1.3.0-34.18.1及之前版本和15 2.1.1-6.10.2及之前版本中的nfs-utils包存在安全漏洞。攻击者可利用该漏洞在系统的任意位置创建/覆盖文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SUSE SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 -
SUSE SUSE Linux Enterprise Server 15 before and including version 2.1.1-6.10.2 -

II. Public POCs for CVE-2019-3689

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III. Intelligence Information for CVE-2019-3689

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Vendor Advisories for CVE-2019-3689 (1)

Mailing List Discussions for CVE-2019-3689 (3)

Other References for CVE-2019-3689 (1)

IV. Related Vulnerabilities

Same product: SUSE Linux Enterprise Server 12
Same vendor: SUSE
Same weakness: CWE-276

V. Comments for CVE-2019-3689

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