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CVE-2020-8022— User-writeable configuration file /usr/lib/tmpfiles.d/tomcat.conf allows for escalation of priviliges

Quick assessment

Affected
SUSE SUSE Enterprise Storage 5
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.

SUSE Linux Enterprise Server和SUSE Enterprise Storage都是德国SUSE公司的产品。SUSE Linux Enterprise Server是一套企业服务器版Linux操作系统。SUSE Enterprise Storage是一套软件定义的储存解决方案。 多款SUSE产品中的tomcat存在安全漏洞。本地攻击者可利用该漏洞提升权限。以下产品及版本受到影响：SUSE Enterprise Storage 5版本（tomcat 8.0.53-29.32.1之前版

CVSS 7.7 · High EPSS 0.86% · P57

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-8022

Vulnerability Information
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Vulnerability Title
User-writeable configuration file /usr/lib/tmpfiles.d/tomcat.conf allows for escalation of priviliges
Source: CVE Program / CVE List V5
Vulnerability Description
A Incorrect Default Permissions vulnerability in the packaging of tomcat on SUSE Enterprise Storage 5, SUSE Linux Enterprise Server 12-SP2-BCL, SUSE Linux Enterprise Server 12-SP2-LTSS, SUSE Linux Enterprise Server 12-SP3-BCL, SUSE Linux Enterprise Server 12-SP3-LTSS, SUSE Linux Enterprise Server 12-SP4, SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server 15-LTSS, SUSE Linux Enterprise Server for SAP 12-SP2, SUSE Linux Enterprise Server for SAP 12-SP3, SUSE Linux Enterprise Server for SAP 15, SUSE OpenStack Cloud 7, SUSE OpenStack Cloud 8, SUSE OpenStack Cloud Crowbar 8 allows local attackers to escalate from group tomcat to root. This issue affects: SUSE Enterprise Storage 5 tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server 12-SP2-BCL tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server 12-SP2-LTSS tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server 12-SP3-BCL tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server 12-SP3-LTSS tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server 12-SP4 tomcat versions prior to 9.0.35-3.39.1. SUSE Linux Enterprise Server 12-SP5 tomcat versions prior to 9.0.35-3.39.1. SUSE Linux Enterprise Server 15-LTSS tomcat versions prior to 9.0.35-3.57.3. SUSE Linux Enterprise Server for SAP 12-SP2 tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server for SAP 12-SP3 tomcat versions prior to 8.0.53-29.32.1. SUSE Linux Enterprise Server for SAP 15 tomcat versions prior to 9.0.35-3.57.3. SUSE OpenStack Cloud 7 tomcat versions prior to 8.0.53-29.32.1. SUSE OpenStack Cloud 8 tomcat versions prior to 8.0.53-29.32.1. SUSE OpenStack Cloud Crowbar 8 tomcat versions prior to 8.0.53-29.32.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
多款SUSE产品tomcat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SUSE Linux Enterprise Server和SUSE Enterprise Storage都是德国SUSE公司的产品。SUSE Linux Enterprise Server是一套企业服务器版Linux操作系统。SUSE Enterprise Storage是一套软件定义的储存解决方案。 多款SUSE产品中的tomcat存在安全漏洞。本地攻击者可利用该漏洞提升权限。以下产品及版本受到影响：SUSE Enterprise Storage 5版本（tomcat 8.0.53-29.32.1之前版
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 Enterprise Storage 5 tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server 12-SP2-BCL tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server 12-SP2-LTSS tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server 12-SP3-BCL tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server 12-SP3-LTSS tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server 12-SP4 tomcat ~ 9.0.35-3.39.1 -
SUSE SUSE Linux Enterprise Server 12-SP5 tomcat ~ 9.0.35-3.39.1 -
SUSE SUSE Linux Enterprise Server 15-LTSS tomcat ~ 9.0.35-3.57.3 -
SUSE SUSE Linux Enterprise Server for SAP 12-SP2 tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server for SAP 12-SP3 tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE Linux Enterprise Server for SAP 15 tomcat ~ 9.0.35-3.57.3 -
SUSE SUSE OpenStack Cloud 7 tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE OpenStack Cloud 8 tomcat ~ 8.0.53-29.32.1 -
SUSE SUSE OpenStack Cloud Crowbar 8 tomcat ~ 8.0.53-29.32.1 -

II. Public POCs for CVE-2020-8022

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III. Intelligence Information for CVE-2020-8022

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Vendor Advisories for CVE-2020-8022 (1)

Mailing List Discussions for CVE-2020-8022 (5)

Same Patch Batch · SUSE · 2020-06-29 · 3 CVEs total

CVE-2020-8019 7.7 HIGH syslog-ng: Local privilege escalation from new to root in %post
CVE-2019-3681 7.5 HIGH osc: stores downloaded (supposed) RPM in network-controlled filesystem paths

IV. Related Vulnerabilities

Same product: SUSE Enterprise Storage 5
Same vendor: SUSE
Same weakness: CWE-276

V. Comments for CVE-2020-8022

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