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CVE-2018-12551

Quick assessment

Affected
The Eclipse Foundation Eclipse Mosquitto
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.

Eclipse Mosquitto是Eclipse基金会的一套开源的消息代理软件。 Eclipse Mosquitto 1.0版本至1.5.5版本中存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.47% · P73
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I. Basic Information for CVE-2018-12551

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means that the malformed data becomes a username and no password. If this occurs, clients can circumvent authentication and get access to the broker by using the malformed username. In particular, a blank line will be treated as a valid empty username. Other security measures are unaffected. Users who have only used the mosquitto_passwd utility to create and modify their password files are unaffected by this vulnerability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件检查或处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Mosquitto 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Mosquitto是Eclipse基金会的一套开源的消息代理软件。 Eclipse Mosquitto 1.0版本至1.5.5版本中存在授权问题漏洞，该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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
The Eclipse Foundation Eclipse Mosquitto 1.0 ~ unspecified -

II. Public POCs for CVE-2018-12551

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III. Intelligence Information for CVE-2018-12551

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Mailing List Discussions for CVE-2018-12551 (1)

Other References for CVE-2018-12551 (1)

Same Patch Batch · The Eclipse Foundation · 2019-03-27 · 5 CVEs total

CVE-2018-12546 Eclipse Mosquitto 安全特征问题漏洞
CVE-2018-12550 Eclipse Mosquitto 访问控制错误漏洞
CVE-2017-7655 Eclipse Mosquitto 代码问题漏洞
CVE-2018-12545 Eclipse Jetty 输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Eclipse Mosquitto
Same vendor: The Eclipse Foundation
Same weakness: CWE-703

V. Comments for CVE-2018-12551

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