CVE-2007-0004

Summary

The NFS client implementation in the kernel in Red Hat Enterprise Linux (RHEL) 3, when a filesystem is mounted with the noacl option, checks permissions for the open system call via vfs_permission (mode bits) data rather than an NFS ACCESS call to the server, which allows local client processes to obtain a false success status from open calls that the server would deny, and possibly obtain sensitive information about file permissions on the server, as demonstrated in a root_squash environment. NOTE: it is uncertain whether any scenarios involving this issue cross privilege boundaries.

Technical Details

CVSSv2 Score:

1.9

CWE ID:

CWE-264

Published Date:

Tuesday 18th of September 2007

Modified Date:

Friday 5th of September 2008

CVSSv2 Score:
  • Access Vector: Local
  • Access Complexity: Medium
  • Authentication Required: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Common Platform Enumeration (CPE) Affected: Common Platform Enumeration (CPE) List:

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