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

CVE-2016-6614

Medium
6.8/10

Summary

An issue was discovered in phpMyAdmin involving the "%u" username replacement functionality of the "SaveDir" and "UploadDir" features. When the username substitution is configured, a specially-crafted user name can be used to circumvent restrictions to traverse the file system. 4.0.x prior to 4.0.10.17 ,4.4.x prior to 4.4.15.8 , and 4.6.x prior to 4.6.4 are affected.

  • HIGH
  • NETWORK
  • NONE
  • CHANGED
  • NONE
  • NONE
  • HIGH
  • 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