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Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2019-20354

Severity Medium
Score 4.3/10

Summary

The web application component of piSignage before 2.6.4 allows a remote attacker (authenticated as a low-privilege user) to download arbitrary files from the Raspberry Pi via api/settings/log?file=../ path traversal. In other words, this issue is in the player API for log download.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • LOW
  • NONE

CWE-22 - Path Traversal

Path traversal (or directory traversal), is a vulnerability that allows malicious users to traverse the server's root directory, gaining access to arbitrary files and folders such as application code & data, back-end credentials, and sensitive operating system files. In the worst-case scenario, an attacker could potentially execute arbitrary files on the server, resulting in a denial of service attack. Such an exploit may severely impact the integrity, confidentiality, and availability of an application.

References

Advisory Timeline

  • Published