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CVE-2019-3786— BBR could run arbitrary scripts on deployment VMs

Quick assessment

Affected
Cloud Foundry BOSH Backup and Restore
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.

Cloud Foundry BOSH Backup and Restore CLI 1.5.0之前版本中存在安全漏洞，该漏洞源于程序没有检查备份脚本的可靠性。远程攻击者可利用该漏洞在系统上执行任意代码。

AI Predicted 5.3 Difficulty: Easy EPSS 0.58% · P48

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-3786

Vulnerability Information
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Vulnerability Title
BBR could run arbitrary scripts on deployment VMs
Source: CVE Program / CVE List V5
Vulnerability Description
Cloud Foundry BOSH Backup and Restore CLI, all versions prior to 1.5.0, does not check the authenticity of backup scripts in BOSH. A remote authenticated malicious user can modify the metadata file of a Bosh Backup and Restore job to request extra backup files from different jobs upon restore. The exploited hooks in this metadata script were only maintained in the cfcr-etcd-release, so clusters deployed with the BBR job for etcd in this release are vulnerable.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Cloud Foundry BOSH Backup and Restore CLI 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cloud Foundry BOSH Backup and Restore CLI 1.5.0之前版本中存在安全漏洞，该漏洞源于程序没有检查备份脚本的可靠性。远程攻击者可利用该漏洞在系统上执行任意代码。
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
Cloud Foundry BOSH Backup and Restore All ~ v1.5.0 -

II. Public POCs for CVE-2019-3786

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III. Intelligence Information for CVE-2019-3786

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Security Blog Posts for CVE-2019-3786 (1)

IV. Related Vulnerabilities

Same vendor: Cloud Foundry
Same weakness: CWE-269