CVE-2020-1887
Quick assessment
Affected
Facebook Osquery
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.
Facebook osquery是美国Facebook公司的一款基于SQL的、开源的操作系统检测和监控框架。 Facebook osquery 2.9.0版本至4.2.0版本（不包含2.9.0版本和4.2.0版本）中存在信任管理问题漏洞，该漏洞源于程序没有正确验证TLS SNI主机名。攻击者可通过实施中间人攻击利用该漏洞获取osquery的流量。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2020-1887
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect validation of the TLS SNI hostname in osquery versions after 2.9.0 and before 4.2.0 could allow an attacker to MITM osquery traffic in the absence of a configured root chain of trust.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对宿主不匹配的证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook osquery 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook osquery是美国Facebook公司的一款基于SQL的、开源的操作系统检测和监控框架。 Facebook osquery 2.9.0版本至4.2.0版本（不包含2.9.0版本和4.2.0版本）中存在信任管理问题漏洞，该漏洞源于程序没有正确验证TLS SNI主机名。攻击者可通过实施中间人攻击利用该漏洞获取osquery的流量。
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
II. Public POCs for CVE-2020-1887
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2020-1887 (1)
-
https://github.com/osquery/osquery/pull/6197 x_refsource_CONFIRM
Other References for CVE-2020-1887 (1)
-
https://www.facebook.com/security/advisories/cve-2020-1887 x_refsource_CONFIRM
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V. Comments for CVE-2020-1887
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