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CVE-2017-5188— OBS worker VM escape via relative symbolic links

Quick assessment

Affected
openSUSE open build service
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.

open build service是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 open build service 20170320之前版本中的bs_worker代码存在安全漏洞。攻击者可利用该漏洞读取包的源目录之外的文件。

AI Predicted 5.5 Difficulty: Moderate EPSS 1.15% · P66

Possible ATT&CK Techniques 1 AI

T1056 · Input Capture
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I. Basic Information for CVE-2017-5188

Vulnerability Information
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Vulnerability Title
OBS worker VM escape via relative symbolic links
Source: CVE Program / CVE List V5
Vulnerability Description
The bs_worker code in open build service before 20170320 followed relative symlinks, allowing reading of files outside of the package source directory during build, allowing leakage of private information.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
open build service 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
open build service是一套通用的、以自动、一致和可重复的方式从源代码构建和分发软件包的系统。 open build service 20170320之前版本中的bs_worker代码存在安全漏洞。攻击者可利用该漏洞读取包的源目录之外的文件。
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
openSUSE open build service unspecified ~ 20170320 -

II. Public POCs for CVE-2017-5188

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III. Intelligence Information for CVE-2017-5188

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Patches & Fixes for CVE-2017-5188 (1)

Vendor Advisories for CVE-2017-5188 (2)

IV. Related Vulnerabilities

Same product: open build service
Same vendor: openSUSE

V. Comments for CVE-2017-5188

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