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Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVE-2023-48702

High
7.2/10

Summary

Jellyfin is a system for managing and streaming media. In Jellyfin.Controller package version prior to 10.8.13, the "/System/MediaEncoder/Path" endpoint executes an arbitrary file using "ProcessStartInfo" via the "ValidateVersion" function. A malicious administrator can set up a network share and supply a UNC path to "/System/MediaEncoder/Path" which points to an executable on the network share, causing Jellyfin server to run the executable in the local context.

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

CWE-77 - Command Injection

A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.

References

Advisory Timeline

  • Published