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CVE-2023-1786— sensitive data exposure in cloud-init logs

Quick assessment

Affected
Canonical Ltd. cloud-init
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-init是Canonical开源的一个用于跨平台云实例初始化的行业标准多分发方法。 cloud-init 23.1.2之前版本存在安全漏洞，该漏洞源于日志中可能会暴露敏感数据。攻击者利用该漏洞使用此信息来查找散列密码并可能提升特权。

CVSS 5.5 · Medium EPSS 0.26% · P18
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I. Basic Information for CVE-2023-1786

Vulnerability Information
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Vulnerability Title
sensitive data exposure in cloud-init logs
Source: CVE Program / CVE List V5
Vulnerability Description
Sensitive data could be exposed in logs of cloud-init before version 23.1.2. An attacker could use this information to find hashed passwords and possibly escalate their privilege.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
cloud-init 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cloud-init是Canonical开源的一个用于跨平台云实例初始化的行业标准多分发方法。 cloud-init 23.1.2之前版本存在安全漏洞，该漏洞源于日志中可能会暴露敏感数据。攻击者利用该漏洞使用此信息来查找散列密码并可能提升特权。
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
Canonical Ltd. cloud-init 0 ~ 23.1.2 -

II. Public POCs for CVE-2023-1786

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III. Intelligence Information for CVE-2023-1786

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Patches & Fixes for CVE-2023-1786 (1)

Vendor Advisories for CVE-2023-1786 (1)

Mailing List Discussions for CVE-2023-1786 (1)

Other References for CVE-2023-1786 (1)

IV. Related Vulnerabilities

Same product: cloud-init
Same vendor: Canonical Ltd.
Same weakness: CWE-532

V. Comments for CVE-2023-1786

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