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CVE-2019-19100— Privilege escalation via B&R Automation Studio upgrade service

Quick assessment

Affected
B&R Automation Studio
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.

B&R Automation Studio是奥地利贝加莱工业自动化（B&R Automation）公司的一套集成化的软件开发环境。 B＆R Automation Studio中的更新服务存在提权漏洞。攻击者可利用该漏洞删除任意文件。以下产品及版本受到影响：Automation Studio 4.0.x版本，4.1.x版本，4.2.x版本，4.3.11SP之前版本，4.4.9SP之前版本，4.5.4SP之前版本，4.6.3SP之前版本，4.7.2之前版本，4.8.1之前版本。

CVSS 7.5 · High EPSS 0.27% · P18
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I. Basic Information for CVE-2019-19100

Vulnerability Information
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Vulnerability Title
Privilege escalation via B&R Automation Studio upgrade service
Source: CVE Program / CVE List V5
Vulnerability Description
A privilege escalation vulnerability in the upgrade service in B&R Automation Studio versions 4.0.x, 4.1.x, 4.2.x, < 4.3.11SP, < 4.4.9SP, < 4.5.4SP, <. 4.6.3SP, < 4.7.2 and < 4.8.1 allow authenticated users to delete arbitrary files via an exposed interface.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
权限、特权和访问控制
Source: CVE Program / CVE List V5
Vulnerability Title
B&R Automation Studio 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Automation Studio是奥地利贝加莱工业自动化（B&R Automation）公司的一套集成化的软件开发环境。 B＆R Automation Studio中的更新服务存在提权漏洞。攻击者可利用该漏洞删除任意文件。以下产品及版本受到影响：Automation Studio 4.0.x版本，4.1.x版本，4.2.x版本，4.3.11SP之前版本，4.4.9SP之前版本，4.5.4SP之前版本，4.6.3SP之前版本，4.7.2之前版本，4.8.1之前版本。
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
B&R Automation Studio 4.0.x -

II. Public POCs for CVE-2019-19100

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III. Intelligence Information for CVE-2019-19100

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Other References for CVE-2019-19100 (1)

Same Patch Batch · B&R · 2020-04-29 · 3 CVEs total

CVE-2019-19101 6.5 MEDIUM Incomplete communication encryption and validation in B&R Automation Studio upgrade servic
CVE-2019-19102 5.5 MEDIUM Zip Slip vulnerability in 3rd-Party library in B&R Automation Studio upgrade service

IV. Related Vulnerabilities

Same product: Automation Studio
Same vendor: B&R
Same weakness: CWE-264

V. Comments for CVE-2019-19100

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