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Last updated: 4/18/2014

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Vulnerability Summary for CVE-2006-4663

Original release date: 09/08/2006
Last revised: 09/05/2008
Source: US-CERT/NIST

Overview

** DISPUTED ** The source code tar archive of the Linux kernel 2.6.16, 2.6.17.11, and possibly other versions specifies weak permissions (0666 and 0777) for certain files and directories, which might allow local users to insert Trojan horse source code that would be used during the next kernel compilation. NOTE: another researcher disputes the vulnerability, stating that he finds "Not a single world-writable file or directory." CVE analysis as of 20060908 indicates that permissions will only be weak under certain unusual or insecure scenarios.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.6 (MEDIUM) (AV:L/AC:L/AU:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Provides user account access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service

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External Source: BUGTRAQ
Name: 20060907 Re: [Full-disclosure] Linux kernel source archive vulnerable
External Source: BUGTRAQ
Name: 20060907 Linux kernel source archive vulnerable

Technical Details

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