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Incorrect Default Permissions

CVE-2019-12670

Severity Medium
Score 6.7/10

Summary

A vulnerability in the filesystem of Cisco IOS XE Software could allow an authenticated, local attacker within the IOx Guest Shell to modify the namespace container protections on an affected device. The vulnerability is due to insufficient file permissions. An attacker could exploit this vulnerability by modifying files that they should not have access to. A successful exploit could allow the attacker to remove container protections and perform file actions outside the namespace of the container.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • NONE
  • HIGH
  • HIGH
  • HIGH

CWE-276 - Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

References

Advisory Timeline

  • Published