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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2023-47345

High
7.5/10

Summary

Buffer Overflow vulnerability in free5gc allows attackers to cause a Denial of Service (DOS) via crafted PFCP message with a malformed PFCP Heartbeat message whose Recovery Time Stamp IE length is mutated to zero. This vulnerability affects github.com/wmnsk/go-pfcp prior to version 0.0.22.

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

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published