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CVE-2017-2625

Quick assessment

Affected
Xorg libXdmcp
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.

libXdmcp是所述libXdmcp包中包含执行X显示管理控制协议库。这对于允许客户端与 X 显示管理器交互很有用。 libXdmcp 1.1.2之前版本中存在安全特征问题漏洞。攻击者利用该漏洞暴力破解密钥，劫持其他用户的会话。

AI Predicted 5.5 Difficulty: Easy EPSS 0.53% · P45

Possible ATT&CK Techniques 1 AI

T1567 · Exfiltration Over Web Service
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I. Basic Information for CVE-2017-2625

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
信息熵不充分
Source: CVE Program / CVE List V5
Vulnerability Title
libXdmcp 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libXdmcp是所述libXdmcp包中包含执行X显示管理控制协议库。这对于允许客户端与 X 显示管理器交互很有用。 libXdmcp 1.1.2之前版本中存在安全特征问题漏洞。攻击者利用该漏洞暴力破解密钥，劫持其他用户的会话。
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
Xorg libXdmcp 1.1.2 -

II. Public POCs for CVE-2017-2625

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III. Intelligence Information for CVE-2017-2625

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Patches & Fixes for CVE-2017-2625 (1)

Vendor Advisories for CVE-2017-2625 (5)

Mailing List Discussions for CVE-2017-2625 (1)

Other References for CVE-2017-2625 (1)

Same Patch Batch · Xorg · 2018-07-27 · 3 CVEs total

CVE-2017-2624 X.org X Server 信息泄露漏洞
CVE-2017-2626 X.org X Server 安全特征问题漏洞

IV. Related Vulnerabilities

Same vendor: Xorg
Same weakness: CWE-331