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Use of Externally-Controlled Format String

CVE-2020-27524

Medium
4.8/10

Summary

On Audi A7 MMI 2014 vehicles, the Bluetooth stack in Audi A7 MMI Multiplayer with version (N+R_CN_AU_P0395) mishandles %x and %s format string specifiers in a device name. This may lead to memory content leaks and potentially crash the services.

  • LOW
  • ADJACENT_NETWORK
  • NONE
  • NONE
  • PARTIAL
  • PARTIAL

CWE-134 - Use of Externally-Controlled Format String

The software uses a function that accepts a format string as an argument, but the format string originates from an external source.

References

Advisory Timeline

  • Published