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CVE-2023-6746— Sensitive Information in Log File in GitHub Enterprise Server

Quick assessment

Affected
GitHub Enterprise Server
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.

GitHub Enterprise Server是美国GitHub开源的一个应用软件。提供一个将自己的GitHub实例设置为虚拟设备，从而提供可扩展，易于管理的平台。 GitHub Enterprise Server 3.17.19之前、3.8.12之前、3.9.7之前、3.10.4之前和 3.11.1之前版本存在安全漏洞，该漏洞源于后端服务的日志文件存在敏感信息，当与其他网络钓鱼技术结合使用时，可能导致中间人攻击。

CVSS 8.1 · High EPSS 0.51% · P41

Possible ATT&CK Techniques 2 AI

T1005.003 T1005 · Data from Local System
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I. Basic Information for CVE-2023-6746

Vulnerability Information
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Vulnerability Title
Sensitive Information in Log File in GitHub Enterprise Server
Source: CVE Program / CVE List V5
Vulnerability Description
An insertion of sensitive information into log file vulnerability was identified in the log files for a GitHub Enterprise Server back-end service that could permit an `adversary in the middle attack` when combined with other phishing techniques. To exploit this, an attacker would need access to the log files for the GitHub Enterprise Server appliance, a backup archive created with GitHub Enterprise Server Backup Utilities, or a service which received streamed logs. This vulnerability affected all versions of GitHub Enterprise Server since 3.7 and was fixed in version 3.7.19, 3.8.12, 3.9.7, 3.10.4, and 3.11.1. 
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/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
GitHub Enterprise Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitHub Enterprise Server是美国GitHub开源的一个应用软件。提供一个将自己的GitHub实例设置为虚拟设备，从而提供可扩展，易于管理的平台。 GitHub Enterprise Server 3.17.19之前、3.8.12之前、3.9.7之前、3.10.4之前和 3.11.1之前版本存在安全漏洞，该漏洞源于后端服务的日志文件存在敏感信息，当与其他网络钓鱼技术结合使用时，可能导致中间人攻击。
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
GitHub Enterprise Server 3.7.0 ~ 3.7.18 -

II. Public POCs for CVE-2023-6746

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III. Intelligence Information for CVE-2023-6746

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Other References for CVE-2023-6746 (5)

Same Patch Batch · GitHub · 2023-12-21 · 13 CVEs total

CVE-2023-46648 8.3 HIGH Insufficient Entropy in GitHub Enterprise Server Management Console Invitation Token
CVE-2023-46647 8.0 HIGH Improper Privilege Management in GitHub Enterprise Server management console leads to priv
CVE-2023-6847 7.5 HIGH Improper Authentication in GitHub Enterprise Server leading to Authentication Bypass for P
CVE-2023-6802 7.2 HIGH Sensitive Information in Log File in GitHub Enterprise Server
CVE-2023-46645 6.8 MEDIUM Path traversal in GitHub Enterprise Server leading to arbitrary file reading when building
CVE-2023-6804 6.5 MEDIUM Improper Privilege Management allows for arbitrary workflows to be run
CVE-2023-46649 6.3 MEDIUM Race Condition allows Administrative Access on Organization Repositories
CVE-2023-6803 5.8 MEDIUM Race Condition allows Unauthorized Outside Collaborator
CVE-2023-46646 5.3 MEDIUM GitHub Enterprise Server 安全漏洞
CVE-2023-51379 4.9 MEDIUM Incorrect Authorization for Issue Comments in GitHub Enterprise Server
CVE-2023-6690 3.9 LOW GitHub Enterprise Server 安全漏洞
CVE-2023-51380 2.7 LOW Incorrect Authorization allows Read Access to Issue Comments in GitHub Enterprise Server

IV. Related Vulnerabilities

Same product: Enterprise Server
Same vendor: GitHub
Same weakness: CWE-532

V. Comments for CVE-2023-6746

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